Beetles of North Carolina
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Scientific Name: Common Name:
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View Carabidae Members:
Members of Trechus:
1 NC Records

Trechus haoeleadensis Donabauer, 2005 - No Common Name

Taxonomy
Family: Carabidae Subfamily: Trechinae                                                             
Comments: 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.
Species Status: The type locality is Haoe Lead in the Unicoi Mountains
Identification
Field Guide Descriptions: Online Resources: BugGuide, Wikipedia, GBIF   iNaturalistTechnical Description, Adults/Nymphs: Donabauer (2005b)                                                              
Comments: Members of this genus show too little variation in pattern for standard photographs to be used to identify particular species.
Total Length [body plus wings; excludes ovipositor]: 3.7-4.1 mm (Donabauer, 2005b)
Structural Features: As a member of subgenus Microtrechus, only the first segment of front tarsus is enlarged in males. This species is distinguished from other members of its species group morphometrically and by features of the aedeagus (Donabauer, 2005b).
Distribution in North Carolina
County Map: Clicking on a county returns the records for the species in that county.
Flight Dates:
 High Mountains (HM) ≥
 4,000 ft.
 Low Mountains (LM) <
 4,000 ft.
 Piedmont (Pd)
 Coastal Plain (CP)
Click on graph to enlarge
Habitats and Life History
Habitats: "All specimens were collected beside a small spring at comparatively low elevations on the Haoe Lead trail under stones" (Donabauer, 2005b)
See also Habitat Account for General High Elevation Forests
Diet: Predatory on small insects and other invertebrates
Observation Methods:
Abundance/Frequency:
Adult Phenology: Not enough information exists for this species to determine its phenology
Status in North Carolina
Natural Heritage Program Status: [SR]
Natural Heritage Program Ranks: [GNR] [S1
State Protection:
Comments: 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 vulnerable to the warming and drying impacts of climate change.