Beetles of North Carolina
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sciNametaxonomic_commentsid_commentshabitatdietobservation_methodsstate_protectionS_rankG_rankstate_statusfed_statusstatus_comments
Trechus uncifer
checklist_number: 6011010062.00
One of 82 species in this genus that have been recorded in North America north of Mexico, 42 of which occur in North Carolina (Bosquet, 2012). Trechus uncifer belongs to subgenus Microtrechus and is included in the Uncifer Species Group by Barr (1979). In addition to uncifer, Bosquet (2012) includes 10 other species in this group, all of which occur in the North Carolina mountains or on the ridges forming the border between North Carolina and Tennessee.Members of this genus show too little variation in pattern for standard photographs to be used to identify particular species.......Predatory on small insects and other invertebrates.........
Trechus tusquitensis
checklist_number: 6011010061.00
One of 82 species in this genus that have been recorded in North America north of Mexico, 42 of which occur in North Carolina (Bosquet, 2012). Trechus tusquitensis belongs to subgenus Microtrechus and is included in the Uncifer Species Group by Barr (1979). In addition to tusquitensis, Bosquet (2012) includes 10 other species in this group, all of which occur in the North Carolina mountains or on the ridges forming the border between North Carolina and Tennessee.Members of this genus show too little variation in pattern for standard photographs to be used to identify particular species.......Predatory on small insects and other invertebrates.........
Trechus toxawayi
checklist_number: 6011010058.00
One of 82 species in this genus that have been recorded in North America north of Mexico, 42 of which occur in North Carolina (Bosquet, 2012). Trechus toxawayi belongs to subgenus Microtrechus and is included in the Uncifer Species Group by Barr (1979). In addition to toxawayi, Bosquet (2012) includes 10 other species in this group, all of which occur in the North Carolina mountains or on the ridges forming the border between North Carolina and Tennessee.Members of this genus show too little variation in pattern for standard photographs to be used to identify particular species.......Predatory on small insects and other invertebrates.........
Trechus talequah
checklist_number: 6011010052.00
One of 82 species in this genus that have been recorded in North America north of Mexico, 42 of which occur in North Carolina (Bosquet, 2012). Trechus talequah belongs to subgenus Microtrechus and is included in the Uncifer Species Group by Barr (1962, 1979). In addition to talequah, Bosquet (2012) includes 10 other species, all of which occur in the North Carolina mountains or on the ridges forming the border between North Carolina and Tennessee.Members of this genus generally show too little variation in pattern for standard photographs to be used to identify particular species....The elevation of Haws Knob is about 5,478'; the summit is covered with high elevation hardwood forest (based on Google Earth). Haoe Lead and Johns Knob are about 4,560' and 4900' respectively and also...Predatory on small insects and other invertebrates......[S1]GNR[SR]This species is known solely from the Unicoi Mountains on ridgetops above 4,500'. As such, it is probably vulnerable to the warming and drying impacts of climate change....
Trechus plottbalsamensis
checklist_number: 6011010040.00
One of 82 species in this genus that have been recorded in North America north of Mexico, 42 of which occur in North Carolina (Bosquet, 2012). Trechus plottbalsamensis belongs to subgenus Microtrechus and was included in the Uncifer Species Group by Donabauer (2005a). In addition to plottbalsamensis, Bosquet (2012) includes 10 other species in this group, all of which occur in the North Carolina mountains or on the ridges forming the border between North Carolina and Tennessee."A medium-sized species for Microtrechus, similar to T. uncifer" (Donabauer, 2005a). Members of this genus generally show too little variation in pattern for standard photographs to be used to identi...The summit of Waterrock Knob is 6,293' and is covered with an isolated stand of Spruce-fir Forest. The type specimens were collected from a single site by sifting wet leaf litter from beside a spring ...Predatory on small insects and other invertebrates......[S1][GNR][SR]This species is known from single, isolated stand of Spruce-fir Forest and was considered very rare by its discoverer. It is likely to be among the most highly threatened species to the warming and dr...
sciNametaxonomic_commentsid_commentshabitatdietobservation_methodsstate_protectionS_rankG_rankstate_statusfed_statusstatus_comments
Trechus inexpectatus
checklist_number: 6011010035.00
One of 82 species in this genus that have been recorded in North America north of Mexico, 42 of which occur in North Carolina (Bosquet, 2012). Trechus inexpectatus belongs to subgenus Microtrechus and is included in the Uncifer Species Group by Barr (1979). In addition to inexpectatus, Bosquet (2012) includes 10 other species in this group, all of which occur in the North Carolina mountains or on the ridges forming the border between North Carolina and Tennessee."Dark castaneous; legs, mouthparts, and basal antennal segments paler but not flavous as in uncifer, consequently less contrasting" (Barr, 1985). Members of this genus generally show too little variat...The type locality is located just below the summit of Camp Creek Bald, at about 4,760' (Barr, 1985) but no other information about the habitat was provided. Hardwood forests occur over most of this ri...Predatory on small insects and other invertebrates......[SH]GNR[SR]The type series consists of just two specimens and Donabauer was unable to find any specimens in 2004, although he sampled several sites at Camp Creek Bald and found 150 specimens of other species of ...
Trechus coweensis
checklist_number: 6011010031.00
One of 82 species in this genus that have been recorded in North America north of Mexico, 42 of which occur in North Carolina (Bosquet, 2012). Trechus coweensis belongs to subgenus Microtrechus and is included in the Uncifer Species Group by Barr (1979). In addition to coweensis, Bosquet (2012) includes 10 other species in this group, all of which occur in the North Carolina mountains or on the ridges forming the border between North Carolina and Tennessee.Members of this genus generally show too little variation in pattern for standard photographs to be used to identify particular species....The type locality is just below the summit of Yellow Mountain at about 5,000' (Barr, 1979). This mountain lacks Spruce-fir forests and the summit is covered with high elevation oak forest. Barr report...Predatory on small insects and other invertebrates......[S1][GNR][SR]Trechus coweensis is endemic to a single, high elevation mountain summit in North Carolina where it is highly likely to be vulnerable to warming and drying impacts of climate change....
Trechus aduncus
checklist_number: 6011010025.00
One of 82 species in this genus that have been recorded in North America north of Mexico, 42 of which occur in North Carolina (Bosquet, 2012). Trechus aduncus belongs to subgenus Microtrechus and is included in the Uncifer Species Group by Barr (1979). In addition to aduncus, Bosquet (2012) includes 10 other species in this group, all of which occur in the North Carolina mountains or on the ridges forming the border between North Carolina and Tennessee."Pale piceous, shining" (Barr, 1962). Members of this genus show too little variation in pattern for standard photographs to be used to identify particular species....Barr collected this species at elevations ranging between 4600 and 6000 feet, usually found under wet moss in contact with a rock surface(Barr, 1979)...Predatory on small insects and other invertebrates......[SHS1][GNR][SR]This species is endemic to a single mountain massif (Great Balsams) in North Carolina. Like the Federally Endangered Spruce-fir Moss Spider, this species is found primarily under cold, wet moss mats ...
Trechus thunderheadensis
checklist_number: 6011010055.00
One of 82 species in this genus that have been recorded in North America north of Mexico, 42 of which occur in North Carolina (Bosquet, 2012). Trechus thunderheadensis belongs to subgenus Microtrechus and is included in the Uncifer Species Group by Barr (1979). In addition to thunderheadensis, Bosquet (2012) includes 10 other species in this group, all of which occur in the North Carolina mountains or on the ridges forming the border between North Carolina and Tennessee.Members of this genus show too little variation in pattern for standard photographs to be used to identify particular species.......Predatory on small insects and other invertebrates.........
Trechus thomasbarri
checklist_number: 6011010054.00
One of 82 species in this genus that have been recorded in North America north of Mexico, 42 of which occur in North Carolina (Bosquet, 2012). Trechus thomasbarri belongs to subgenus Microtrechus and is included in the Nebulosus Species Group by Donabauer (2005b). In addition to thomasbarri, 21 other species are included in this group, 18 of which occur in North Carolina and the rest in Tennessee."Distinguished from other species of the nebulosus-group by pale reddish colouration, small eyes, and prominently sharp basal angles of pronotum" (Donabauer, 2005b). Members of this genus generally s...The summit of Haoe Lead is about 4,560' and is covered with hardwood forest...Predatory on small insects and other invertebrates......[S1]GNR[SR]This species is known from just a single specimen. Like other members of this genus, its highly restricted range and occurrence on a high elevation ridgetop makes it highly vulnerable to the warming a...
sciNametaxonomic_commentsid_commentshabitatdietobservation_methodsstate_protectionS_rankG_rankstate_statusfed_statusstatus_comments
Trechus subtilis
checklist_number: 6011010051.00
One of 82 species in this genus that have been recorded in North America north of Mexico, 42 of which occur in North Carolina (Bosquet, 2012). Trechus subtilis belongs to subgenus Microtrechus and was included in the Vandykei Species Group by Donabauer (2009). In addition to subtilis, Bosquet (2012) includes 10 other species in this group, one of which occur the mountains of southwest Virginia and the rest in the North Carolina mountains or on the ridges forming the border between North Carolina and Tennessee.Members of this genus generally show too little variation in pattern for standard photographs to be used to identify particular species. According to Barr(1962), T. subtilis is "similar superficially ...The summit of Mt. Sterling is 5,842' in elevation and supports a stand of Spruce-fir Forest. Eaglenest Mountain in the Plott Balsams is about 4,940' in elevation and supports a remnant stand of Spruce...Predatory on small insects and other invertebrates......[S1S2]GH [G1][SR]Although NatureServe considers this species to be possibly extinct, Donabauer (2009) found specimens at several locations in 2004. Nonetheless, this species has a highly restricted global range and wa...
Trechus stefanschoedli
checklist_number: 6011010049.00
One of 82 species in this genus that have been recorded in North America north of Mexico, 42 of which occur in North Carolina (Bosquet, 2012). Trechus stefanschoedli belongs to subgenus Microtrechus and is included in the Nebulosus Species Group by Bosquet (2012). In addition to stefanschoedli, 21 other species are included in this group, 18 of which occur in North Carolina and the rest in Tennessee.Members of this genus generally show too little variation in pattern for standard photographs to be used to identify particular species. According to Donabauer (2005), T. stefanschoedli is virtually i...Thunderhead Mountain is 5,527' in elevation. The summit supports a mix of grass and shrub bald vegetation. The habitat where stefanschoedli was collected is not described....Predatory on small insects and other invertebrates......[S1][GNR][SR]This species is known from just a single, high elevation site where it is likely to be vulnerable to the drying and warming impacts of climate change....
Trechus snowbirdensis
checklist_number: 6011010048.00
One of 82 species in this genus that have been recorded in North America north of Mexico, 42 of which occur in North Carolina (Bosquet, 2012). Trechus snowbirdensis belongs to subgenus Microtrechus and is included in the Nebulosus Species Group by Donabauer (2005b). In addition to snowbirdensis, 21 other species are included in this group (Bosquet, 2010), 18 of which occur in North Carolina and the rest in Tennessee."Body entirely reddish piceous, disk of pronotum sometimes slightly darker, in average paler than in T. nantahalaé, elytra shiny with slight bluish lustre. Legs and antenna entirely pale, not contra..."The specimens were sifted from wet leaf litter in two locations together with the very similar T. luculentus joannabaldensis ssp.n. around a spring on the southern slope directly beside the forest st...Predatory on small insects and other invertebrates......[S1][GNR][SR]This species is known from a single, high elevation site, where it is probably highly vulnerable to the warming and drying impacts of climate change....
Trechus satanicus
checklist_number: 6011010047.00
One of 82 species in this genus that have been recorded in North America north of Mexico, 42 of which occur in North Carolina (Bosquet, 2012). Trechus satanicus belongs to subgenus Microtrechus and is included in the Uncifer Species Group by Barr (1979). In addition to satanicus, Bosquet (2012) includes 10 other species, all of which occur in the North Carolina mountains or on the ridges forming the border between North Carolina and Tennessee."Dark piceous, shining, microsculpture a fine, transverse network on pronotum and elytra"(Barr, 1962). Members of this genus generally show too little variation in pattern for standard photographs to ...The sites where this species has been recorded once supported a large expanse of Spruce-fir Forest but the area was apparently badly damaged by storms or logging in the early 20th Century and subseque...Predatory on small insects and other invertebrates......[S1]GH [G1][SR]Although NatureServe (accessed 2021-01-07) considers this species to be possibly extinct, it has been recorded on a couple of occasions within the last twenty years, including as recently as 2018. No...
Trechus rosenbergi
checklist_number: 6011010046.00
One of 82 species in this genus that have been recorded in North America north of Mexico, 42 of which occur in North Carolina (Bosquet, 2012). Trechus rosenbergi belongs to subgenus Microtrechus and is included in the Nebulosus Species Group by Bosquet (2012). In addition to rosenbergi, 21 other species are included in this group, 18 of which occur in North Carolina and the rest in Tennessee."Form unusually large, robust, convex; blackish-piceous, shining" (Barr, 1962). Members of this genus generally show too little variation in pattern for standard photographs to be used to identify par...Both sites where this species has been recorded are over 6,000' and support stands of Spruce-fir Forest...Predatory on small insects and other invertebrates......[S1]GH[SR]Only known from the two locations where it was originally found (Barr, 1962; Donabauer, 2005b; Bosquet, 2012). Although NatureServe (accessed 2021-01-0) considers this species to be possibly extinct, ...
sciNametaxonomic_commentsid_commentshabitatdietobservation_methodsstate_protectionS_rankG_rankstate_statusfed_statusstatus_comments
Trechus pseudosubtilis
checklist_number: 6011010043.00
One of 82 species in this genus that have been recorded in North America north of Mexico, 42 of which occur in North Carolina (Bosquet, 2012). Trechus pseudosubtilis belongs to subgenus Microtrechus and was included in the Vandykei Species Group by Donabauer (2009). In addition to pseudosubtilis, Bosquet (2012) includes 10 other species in this group, one of which occur the mountains of southwest Virginia and the rest in the North Carolina mountains or on the ridges forming the border between North Carolina and Tennessee."Body dark reddish piceous, paler on head, along suture and along sides of elytra; elytra shiny with strong bluish lustre; legs pale, contrasting with body; first segments of antenna pale, segment 3 o...Cataloochee Balsam is 5,970' in elevation and covered in an extensive stand of Spruce-fir Forest. "All specimens sifted from wet or humid leaf litter" Donabauer (2009)...Predatory on small insects and other invertebrates......[S1][GNR][SR]As a species restricted to just a single stand of Spruce-fir Forests located on a high elevation ridgetop in the North Carolina mountains, it is probably highly vulnerable to the warming and drying im...
Trechus rivulis
checklist_number: 6011010045.00
One of 82 species in this genus that have been recorded in North America north of Mexico, 42 of which occur in North Carolina (Bosquet, 2012). Trechus rivulis belongs to subgenus Microtrechus and was included in the Vandykei Species Group by Donabauer (2009). In addition to rivulis, Bosquet (2012) includes 10 other species in this group, one of which occur the mountains of southwest Virginia and the rest in the North Carolina mountains or on the ridges forming the border between North Carolina and Tennessee. Donabauer (2009) indicated that rivulus could be a synonym of barberi.Members of this genus show too little variation in pattern for standard photographs to be used to identify particular species....Dajoz (2005) collected the type series of this species in a stand of hardwood forest in the Buck Creek watershed in eastern Clay County. This site is best known for its possession of a serpentine barr...Predatory on small insects and other invertebrates......[S1][GNR][SR]As with most other of our species of Trechus, this species appears to be endemic to a very small area and is likely to be of significant conservation concern....
Trechus pseudonovaculosus
checklist_number: 6011010042.00
One of 82 species in this genus that have been recorded in North America north of Mexico, 42 of which occur in North Carolina (Bosquet, 2012). Trechus pseudonovaculosus belongs to subgenus Microtrechus and is included in the Nebulosus Species Group by Bosquet (2012). In addition to pseudonovaculosus, 21 other species are included in this group, 18 of which occur in North Carolina and the rest in Tennessee."Body entirely reddish piceous, slightly paler than in T. novaculosus, disk of pronotum sometimes darker, elytra shiny with slight bluish lustre, paler along suture. Legs and antenna entirely pale red...Clingman's Dome is 6,644? in elevation and the type specimens were found in the Spruce-fir Forest around the summit in wet places at the base of steep cliffs covered by moss (Donabauer, 2005b)...Predatory on small insects and other invertebrates......[S1][GNR][SR]This species is endemic to Clingman's Dome and is probably highly dependent on Spruce-fir Forests and their associated cool, wet, microclimates for its survival. It is therefore likely to be highly vu...
Trechus pseudobarberi
checklist_number: 6011010041.00
One of 82 species in this genus that have been recorded in North America north of Mexico, 42 of which occur in North Carolina (Bosquet, 2012). Trechus pseudobarberi belongs to subgenus Microtrechus and was included in the Vandykei Species Group by Donabauer (2009). In addition to pseudobarberi, Bosquet (2012) includes 10 other species in this group, one of which occur the mountains of southwest Virginia and the rest in the North Carolina mountains or on the ridges forming the border between North Carolina and Tennessee."Body rarely reddish piceous, in most specimens dark piceous, paler on head, along suture and along sides of elytra; elytra shiny with bluish lustre; legs paler, contrasting with body; first segments ...The summit of Waterrock Knob is 6,293' and of Cataloochee Balsam is 5,970'. Both support stands of Spruce-fir Forest where this species was found by sifting wet or humid leaf litter (Donabauer, 2009)...Predatory on small insects and other invertebrates......[S1][GNR][SR]As a species restricted to just a couple of stands of Spruce-fir Forests located on high elevation ridgetops in the North Carolina mountains, it is probably highly vulnerable to the warming and drying...
Trechus novaculosus
checklist_number: 6011010039.00
One of 82 species in this genus that have been recorded in North America north of Mexico, 42 of which occur in North Carolina (Bosquet, 2012). Trechus novaculosus belongs to subgenus Microtrechus and is included in the Nebulosus Species Group by Bosquet (2012). In addition to novaculosus, 21 other species are included in this group, 18 of which occur in North Carolina and the rest in Tennessee."Piceous, brilliantly shining; form robust and subconvex" (Barr, 1962). Members of this genus generally show too little variation in pattern for standard photographs to be used to identify particular ...Restricted to Spruce-Fir Forests, where it occurs under and among rocks in wet places near seeps and springs at altitudes above 5500 feet (Barr, 1962; 1979)...Predatory on small insects and other invertebrates......[S1]GH [G1][SR]NatureServe (accessed 2021-01-06) speculated that this species could be extinct, although there is a record from the type locality from 2004 (Donabauer, 2005b). As an endemic of Spruce-Fir habitats al...
sciNametaxonomic_commentsid_commentshabitatdietobservation_methodsstate_protectionS_rankG_rankstate_statusfed_statusstatus_comments
Trechus nebulosus
checklist_number: 6011010038.00
One of 82 species in this genus that have been recorded in North America north of Mexico, 42 of which occur in North Carolina (Bosquet, 2012). Trechus nebulosus belongs to subgenus Microtrechus and is included in the Nebulosus Species Group by Bosquet (2012). In addition to nebulosus, 21 other species are included in this group, 18 of which occur in North Carolina and the rest in Tennessee."Black to dark piceous, disc of the pronotum and antennal segments III-V slightly darker" (Barr, 1962). Members of this genus generally show too little variation in pattern for standard photographs to...Known only from high altitudes (5000-6300 feet) along the crest of the Great Smoky Mountains {Barr, 1962). Donabauer (2005b) also reported finding it only at the highest elevations of the GSM ridge, w...Predatory on small insects and other invertebrates......[S1]GNR[SR]This species is restricted to the highest elevations in our mountains. As a species requiring extremely cool, moist habitats it is likely to be especially imperiled by the drying and warming impacts o...
Trechus nantahalae
checklist_number: 6011010037.00
One of 82 species in this genus that have been recorded in North America north of Mexico, 42 of which occur in North Carolina (Bosquet, 2012). Trechus nantahalae belongs to subgenus Microtrechus and is included in the Nebulosus Species Group by Bosquet (2012). In addition to nantahalae, 21 other species are included in this group, 18 of which occur in North Carolina and the rest in Tennessee."Reddish piceous, shining" (Barr,1979). Members of this genus show too little variation in pattern for standard photographs to be used to identify particular species....The type specimens were collected at a seep along the Appalachian Trail, elevation 4300 feet (Bar,1989). Donabauer (2005b) collected specimens by sifting layers of wet leaves or by searching under sto...Predatory on small insects and other invertebrates......[S1][GNR][SR]This species is endemic to the Nantahala Mountains. Like most of the members of this genus, T. nantahalae is a high elevation inhabitant of cold, wet microclimates. It is very likely to be highly vuln...
Trechus luculentus wayahensis
checklist_number: 6011010036.40
One of 82 species in this genus that have been recorded in North America north of Mexico, 42 of which occur in North Carolina (Bosquet, 2012). Trechus luculentus belongs to subgenus Microtrechus and is included in the Nebulosus Species Group by Bosquet (2012). In addition to luculentus, 21 other species are included in this group, 18 of which occur in North Carolina and the rest in Tennessee."Reddish piceous, shining" (Barr,1989). This subspecies is distinguished primarily by morphological characters. Members of this genus generally show too little variation in pattern for standard photog...All sites where this species has been recorded are over 5,000': Wayah Bald is about 5330'; Winespring Bald is 5461'; Copper Ridge Bald is 5260. All support forests composed of high elevation hardwoods...Predatory on small insects and other invertebrates......[S2][G2G33T2][SR]This species is endemic to the Nantahala Mountains. Like most of the members of this genus, T. luculenus wayahensis is a high elevation inhabitant of cold, wet microclimates. It is very likely to be h...
Trechus haoeleadensis
checklist_number: 6011010033.00
One of 82 species in this genus that have been recorded in North America north of Mexico, 42 of which occur in North Carolina (Bosquet, 2012). Trechus haoeleadensis belongs to subgenus Microtrechus and is included in the Nebulosus Species Group by Bosquet (2012). In addition to haoeleadensis, 21 other species are included in this group, 18 of which occur in North Carolina and the rest in Tennessee.Members of this genus show too little variation in pattern for standard photographs to be used to identify particular species...."All specimens were collected beside a small spring at comparatively low elevations on the Haoe Lead trail under stones" (Donabauer, 2005b)...Predatory on small insects and other invertebrates......[S1[GNR][SR]This species is endemic to a single peak in the Unicoi Mountains of North Carolina. Although it occurs at a lower elevation than most of the other members of this genus, it may nonetheless be vulnerab...
Trechus haoe
checklist_number: 6011010032.00
One of 82 species in this genus that have been recorded in North America north of Mexico, 42 of which occur in North Carolina (Bosquet, 2012).Members of this genus show too little variation in pattern for standard photographs to be used to identify particular species.......Predatory on small insects and other invertebrates.........
sciNametaxonomic_commentsid_commentshabitatdietobservation_methodsstate_protectionS_rankG_rankstate_statusfed_statusstatus_comments
Trechus clingmanensis
checklist_number: 6011010030.00
One of 82 species in this genus that have been recorded in North America north of Mexico, 42 of which occur in North Carolina (Bosquet, 2012). Trechus clingmanensis belongs to subgenus Microtrechus and is included in the Nebulosus Species Group by Bosquet (2012). In addition to clingmanensis, 21 other species are included in this group, 18 of which occur in North Carolina and the rest in Tennessee."Body broad ovate and rather flat. Body entirely pale reddish. Legs and antenna entirely pale, not contrasting much with body" (Donabauer, 2005b). Members of this genus show too little variation in pa...The type locality has an extensive stand of Spruce-fir Forest...Predatory on small insects and other invertebrates......[S1][GNR][SR]This species is endemic to Clingman's Dome and is probably highly dependent on Spruce-fir Forests and their associated cool, wet, microclimates for its survival. It is therefore likely to be highly vu...
Trechus cheoahensis
checklist_number: 6011010029.00
One of 82 species in this genus that have been recorded in North America north of Mexico, 42 of which occur in North Carolina (Bosquet, 2012). Trechus cheoahensis belongs to subgenus Microtrechus and is included in the Nebulosus Species Group by Bosquet (2012). In addition to cheoahensis, 21 other species are included in this group, 18 of which occur in North Carolina and the rest in Tennessee."Moderately large... the description is otherwise identical to T. tobias" (Donabauer, 2005b). Members of this genus generally show too little variation in pattern for standard photographs to be used t...The habitat at the type locality is not described but Cheoah Bald is 5,062' in elevation and has an open, shrub bald on the south-facing slope. Most of the ridge is forested, however, and northern ha...Predatory on small insects and other invertebrates......[S1][GNR][SR]This species is endemic to the Cheoah Mountains. Like most of the members of this genus, T. cheoahensis is a high elevation inhabitant of cold, wet microclimates. It is very likely to be highly vulner...
Trechus bowlingi
checklist_number: 6011010028.00
One of 82 species in this genus that have been recorded in North America north of Mexico, 42 of which occur in North Carolina (Bosquet, 2012).Members of this genus show too little variation in pattern for standard photographs to be used to identify particular species.......Predatory on small insects and other invertebrates.........
Trechus barberi
checklist_number: 6011010027.00
One of 82 species in this genus that have been recorded in North America north of Mexico, 42 of which occur in North Carolina (Bosquet, 2012).Members of this genus show too little variation in pattern for standard photographs to be used to identify particular species.......Predatory on small insects and other invertebrates.........
Trechus balsamensis
checklist_number: 6011010026.00
One of 82 species in this genus that have been recorded in North America north of Mexico, 42 of which occur in North Carolina (Bosquet, 2012). Trechus balsamensis belongs to subgenus Microtrechus and is included in the Nebulosus Species Group by Barr (1979). In addition to balsamensis, Bosquet (2012) now includes 21 species in this group, 18 of which occur in North Carolina and the rest in Tennessee. Members of this genus show too little variation in pattern for standard photographs to be used to identify particular species.......Predatory on small insects and other invertebrates.........
sciNametaxonomic_commentsid_commentshabitatdietobservation_methodsstate_protectionS_rankG_rankstate_statusfed_statusstatus_comments
Trechus schwarzi scopulosus
checklist_number: 6011010022.30
See species accountMembers of this genus show too little variation in pattern for standard photographs to be used to identify particular species....All locations where this species was recorded by Barr (1979) are above 5,000' in elevation; details of the habitat are otherwise not given...Predatory on small insects and other invertebrates......[SHS1][GNRTNR][SR]This subspecies is endemic to the Black and Craggy Mountains massif and is likely to be highly vulnerable to the warming and drying effects of climate change. The last records for this beetle are pres...
Trechus schwarzi saludae
checklist_number: 6011010022.20
One of 82 species in this genus that have been recorded in North America north of Mexico, 42 of which occur in North Carolina (Bosquet, 2012). Trechus schwarzi belongs to subgenus Trechus and is included in the Hydropicus Species Group by Barr (1979, 1985). Other members of this group that occur in North Carolia are Trechus hydropicus, caliginis, mitchellensis, carolinae, and roanicus; Trechus cumberlandus is the only other member of this group and is restricted to the Cumberland Plateau in Kentucky and Tennessee.Members of this genus show too little variation in pattern for standard photographs to be used to identify particular species....This subspecies is unique among North Carolina species of Trechus in occurring at a much lower elevation -- only 1300' (Barr, 1979). Barr notes, however, that the beetles were found under mosses and l...Predatory on small insects and other invertebrates......[SHS1][GNRTNR][SR]With only a single, presumably relict population located at a low elevation, this subspecies is likely to be highly vulnerable to the warming and drying impacts of climate change, along with other rel...
Trechus schwarzi schwarzi
checklist_number: 6011010022.10
One of 82 species in this genus that have been recorded in North America north of Mexico, 42 of which occur in North Carolina (Bosquet, 2012). Trechus schwarzi belongs to subgenus Trechus and is included in the Hydropicus Species Group by Barr (1979, 1985). Other members of this group that occur in North Carolia are Trechus hydropicus, caliginis, mitchellensis, carolinae, and roanicus; Trechus cumberlandus is the only other member of this group and is restricted to the Cumberland Plateau in Kentucky and Tennessee.Members of this genus show too little variation in pattern for standard photographs to be used to identify particular species....The type locality as identified by Barr, Retreat, is situated in a valley below 4,000' in elevation although several of the ridges in this vicinity exceed 4,000' and Cold Mountain is higher than 6,000...Predatory on small insects and other invertebrates......[SHS1][GNR][SR]This subspecies is restricted to a single mountain range (Great Balsams) in North Carolina. AS with our other narrowly endemic species of Trechus, it is likely to be highly vulnerable to the warming a...
Trechus roanicus
checklist_number: 6011010020.00
One of 82 species in this genus that have been recorded in North America north of Mexico, 42 of which occur in North Carolina (Bosquet, 2012). Trechus roanicus belongs to subgenus Trechus and is included in the Hydropicus Species Group by Barr (1979, 1985). Other members of this group that occur in North Carolia are Trechus hydropicus, schwarzi, mitchellensis, carolinae, and caliginis; Trechus cumberlandus is the only other member of this group and is restricted to the Cumberland Plateau in Kentucky and Tennessee."Dark piceous, shining, rather convex and robust" (Barr, 1962). Members of this genus show too little variation in pattern for standard photographs to be used to identify particular species...."The species occurs under moss carpets on north-facing cliffs, in contrast to T. h. beutcnmuelleri, which is found not only in the same microhabitat but also under wood chips, under moss on logs, and ...Predatory on small insects and other invertebrates......[SHS1]GH[SR]This species is endemic to Roan Mountain where it has been found only at the highest summit. It is likely to be highly vulnerable to the warming and drying impacts of climate change. It is considered...
Trechus mitchellensis
checklist_number: 6011010014.00
One of 82 species in this genus that have been recorded in North America north of Mexico, 42 of which occur in North Carolina (Bosquet, 2012). Trechus mitchellensis belongs to subgenus Trechus and is included in the Hydropicus Species Group by Barr (1979, 1985). Other members of this group that occur in North Carolia are Trechus hydropicus, schwarzi, caligisnis, carolinae, and roanicus; Trechus cumberlandus is the only other member of this group and is restricted to the Cumberland Plateau in Kentucky and Tennessee."Dark piceous black, robust and subconvex, shining" (Barr, 1962). Members of this genus show too little variation in pattern for standard photographs to be used to identify particular species...."All localities are at elevations between 4800 and 6500 feet"; "the usual microhabitat is under moss carpets in spruce-fir forest" (Barr, 1979)...Predatory on small insects and other invertebrates......[SHS1]GH[SR]This species is endemic to the Black Mountains of North Carolina and is considered globally historic by NatureServe (or possibly extinct). No records apparently have been made since Barr last reported...
sciNametaxonomic_commentsid_commentshabitatdietobservation_methodsstate_protectionS_rankG_rankstate_statusfed_statusstatus_comments
Trechus hydropicus beutenmuelleri
checklist_number: 6011010013.30
See species description. The subspecies differ solely in features of the aedeagus (Barr, 1962, 1979)....High elevation forests but probably not restricted to Spruce-fir forests....Predatory on small insects and other invertebrates......[S2S3][GNRTNR][W3]This subspecies occupies a fairly broad area of the higher mountains of North Carolina and was described as abundant in 1979 by Barr (1979). However, as a habitat specialist with a limited global rang...
Trechus hydropicus avus
checklist_number: 6011010013.20
See comments for the entire speciesSee species description....Associated with high elevation forests but not exclusively with Spruce-fir Forests, which do not occur on Three Top Mountain...Predatory on small insects and other invertebrates......[SHS1][GNRTNR][SR]With only two documented populations, this subspecies appears to be vulnerable to complete extinction, with a warming and drying climate probably representing the main threat...
Trechus hydropicus
checklist_number: 6011010013.00
One of 82 species in this genus that have been recorded in North America north of Mexico, 42 of which occur in North Carolina (Bosquet, 2012). Trechus hyrdopicus belongs to subgenus Trechus and is included in the Hydropicus Species Group by Barr (1979, 1985). Other members of this group that occur in North Carolia are Trechus caliginis, schwarzi, mitchellensis, carolinae, and roanicus; Trechus cumberlandus is the only other member of this group and is restricted to the Cumberland Plateau in Kentucky and Tennessee.Body and elytra dark, shining piceous; legs paler piceous (Barr, 1962). Members of this genus show too little variation in pattern for standard photographs to be used to identify particular species.............[S1S3]GNRThe State Rank of S1S3 applies to the species as a whole, including the intergrade population recorded at Beech Mountain. This species has been well-studied and new populations are unlikely to be disc...
Trechus carolinae
checklist_number: 6011010006.00
One of 82 species in this genus that have been recorded in North America north of Mexico, 42 of which occur in North Carolina (Bosquet, 2012). Trechus carolinae belongs to subgenus Trechus and is included in the Hydropicus Species Group by Barr (1979, 1985). Other members of this group that occur in North Carolia are Trechus hydropicus, schwarzi, mitchellensis, caliginis, and roanicus; Trechus cumberlandus is the only other member of this group and is restricted to the Cumberland Plateau in Kentucky and Tennessee."Pale, reddish-piceous, robust and very convex, shining" (Barr, 1962). Members of this genus show too little variation in pattern for standard photographs to be used to identify particular species....Inhabits "deep spruce and fir needle duff near the summits of the Black Mountains. On Mt. Mitchell I have taken a small number of specimens by prying back the duff layer at the bases of low, wet cliff...Predatory on small insects and other invertebrates......[SHS1]GH[SR]This species is globally known only from the type locality, where it has apparently not been seen since Barr was able to find only 8 specimens in 1960 (see Barr, 1962). Like other members of this genu...
Trechus luculentus joannabaldensis
checklist_number: 6011010036.30
One of 82 species in this genus that have been recorded in North America north of Mexico, 42 of which occur in North Carolina (Bosquet, 2012). Trechus luculentus belongs to subgenus Microtrechus and is included in the Nebulosus Species Group by Bosquet (2012). In addition to luculentus, 21 other species are included in this group, 18 of which occur in North Carolina and the rest in Tennessee.Immediately distinguished from the subspecies luculentus luculentus and wayahensis by its significantly smaller body size and paler color. Members of this genus generally show too little variation in ...Donabauer (2005b) found specimens by sifting wet leaf litter around a spring on the southern slope of Joanna Bald directly beside the forest street and in a muddy seep on the northern slope. Joanna Ba...Predatory on small insects and other invertebrates......[S1][G2G33T1][SR]This species is endemic to Joanna Bald. Like most of the members of this genus, T. luculenus joannabaldensis is a high elevation inhabitant of cold, wet microclimates. It is very likely to be highly v...
sciNametaxonomic_commentsid_commentshabitatdietobservation_methodsstate_protectionS_rankG_rankstate_statusfed_statusstatus_comments
Trechus luculentus luculentus
checklist_number: 6011010036.10
One of 82 species in this genus that have been recorded in North America north of Mexico, 42 of which occur in North Carolina (Bosquet, 2012). Trechus luculentus belongs to subgenus Microtrechus and is included in the Nebulosus Species Group by Bosquet (2012). In addition to luculentus, 21 other species are included in this group, 18 of which occur in North Carolina and the rest in Tennessee.Members of this genus show too little variation in pattern for standard photographs to be used to identify particular species....Although originally found at one of the highest elevations in North Carolina, Barr (1979) subsequently found it as low as 2,200', providing substantial connections between subpopulations throughout th...Predatory on small insects and other invertebrates......[S2S3]GHTH [G23T23][W3]This subspecies is endemic to the Great Smoky Mountains but occurs at a number of locations and elevations within the National Park. Consequently, it is probably less vulnerable to climate change than...
Trechus luculentus cheoahbaldensis
checklist_number: 6011010036.20
One of 82 species in this genus that have been recorded in North America north of Mexico, 42 of which occur in North Carolina (Bosquet, 2012). Trechus luculentus belongs to subgenus Microtrechus and is included in the Nebulosus Species Group by Bosquet (2012). In addition to luculentus, 21 other species are included in this group, 18 of which occur in North Carolina and the rest in Tennessee.This subspecies is smaller than the others but is otherwise distinguished only in features of the aedeagus in males (Donabauer, 2005b). Members of this genus show too little variation in pattern for s...The habitat at the type locality is not described but Cheoah Bald is 5,062' in elevation and has an open, shrub bald on the south-facing slope. Most of the ridge is forested, however, and northern har...Predatory on small insects and other invertebrates......[S1][G23T1][SR]This species is endemic to the Cheoah Mountains. Like most of the members of this genus, T. luculenus cheoahbaldensis is a high elevation inhabitant of cold, wet microclimates. It is very likely to be...
Trechus howellae
checklist_number: 6011010034.00
One of 82 species in this genus that have been recorded in North America north of Mexico, 42 of which occur in North Carolina (Bosquet, 2012). Trechus howellae belongs to subgenus Microtrechus and is included in the Uncifcer Species Group by Barr (1979). In addition to howellae, Bosquet (2012) includes 10 other species in this group, all of which occur in the North Carolina mountains or on the ridges forming the border between North Carolina and Tennessee.Members of this genus show too little variation in pattern for standard photographs to be used to identify particular species...."The type series was collected from wet moss at the base of a vertical cliff face" (Barr, 1979); the elevation at this site appears to be around 4,800' (based on Google Earth). Donabauer (2005a) colle...Predatory on small insects and other invertebrates......[S1][GNR][SR]This species appears to be endemic to a single, high elevation peak in the Nantahala Mountains. Like other members of its genus in North Carolina, it is probably highly vulnerable to the warming and d...
Trechus wayahbaldensis
checklist_number: 6011010067.00
One of 82 species in this genus that have been recorded in North America north of Mexico, 42 of which occur in North Carolina (Bosquet, 2012). Trechus wayahbaldensis belongs to subgenus Microtrechus and is included in the Nebulosus Species Group by Bosquet (2012). In addition to wayahbaldensis, 21 other species are included in this group, 18 of which occur in North Carolina and the rest in Tennessee.Members of this genus show too little variation in pattern for standard photographs to be used to identify particular species.......Predatory on small insects and other invertebrates.........
Trechus verus
checklist_number: 6011010066.00
One of 82 species in this genus that have been recorded in North America north of Mexico, 42 of which occur in North Carolina (Bosquet, 2012). Trechus verus belongs to subgenus Microtrechus and is included in the Nebulosus Species Group by Bosquet (2012). In addition to verus, 21 other species are included in this group, 18 of which occur in North Carolina and the rest in Tennessee.Members of this genus show too little variation in pattern for standard photographs to be used to identify particular species.......Predatory on small insects and other invertebrates.........
sciNametaxonomic_commentsid_commentshabitatdietobservation_methodsstate_protectionS_rankG_rankstate_statusfed_statusstatus_comments
Trechus valentinei
checklist_number: 6011010064.00
One of 82 species in this genus that have been recorded in North America north of Mexico, 42 of which occur in North Carolina (Bosquet, 2012). Trechus valentinei belongs to subgenus Microtrechus and is included in the Nebulosus Species Group by Bosquet (2012). In addition to valentinei, 21 other species are included in this group, 18 of which occur in North Carolina and the rest in Tennessee.Members of this genus show too little variation in pattern for standard photographs to be used to identify particular species.......Predatory on small insects and other invertebrates.........
Trechus unicoi
checklist_number: 6011010063.00
One of 82 species in this genus that have been recorded in North America north of Mexico, 42 of which occur in North Carolina (Bosquet, 2012). Trechus unicoi belongs to subgenus Microtrechus and is included in the Nebulosus Species Group by Bosquet (2012). In addition to unicoi, 21 other species are included in this group, 18 of which occur in North Carolina and the rest in Tennessee.Members of this genus show too little variation in pattern for standard photographs to be used to identify particular species.......Predatory on small insects and other invertebrates.........
Trechus tobiasi
checklist_number: 6011010056.00
One of 82 species in this genus that have been recorded in North America north of Mexico, 42 of which occur in North Carolina (Bosquet, 2012). Trechus tobiasi belongs to subgenus Microtrechus and is included in the Nebulosus Species Group by Bosquet (2012). In addition to tobiasi, 21 other species are included in this group, 18 of which occur in North Carolina and the rest in Tennessee.Members of this genus show too little variation in pattern for standard photographs to be used to identify particular species.......Predatory on small insects and other invertebrates.........
Trechus vandykei pisgahensis
checklist_number: 6011010065.20
One of 82 species in this genus that have been recorded in North America north of Mexico, 42 of which occur in North Carolina (Bosquet, 2012).......Predatory on small insects and other invertebrates.........
Trechus vandykei vandykei
checklist_number: 6011010065.10
One of 82 species in this genus that have been recorded in North America north of Mexico, 42 of which occur in North Carolina (Bosquet, 2012).Members of this genus show too little variation in pattern for standard photographs to be used to identify particular species.......Predatory on small insects and other invertebrates.........