Moths of North Carolina
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View PDFGracillariidae Members: Marmara Members: 3 NC Records

Marmara new species 8 - on Carya spp. (undescribed species) - No Common Name

Marmara new species 8 - on Carya spp.
view caption 		Marmara new species 8 - on Carya spp.
view caption
Taxonomy
Family:
Gracillariidae		Subfamily:
Gracillariinae		Tribe:
[gracillariini]		P3 Number:
0.00		 MONA Number:
718.09
Comments: The genus Marmara contains 19 described species from North America and numerous undescribed species. Most species are monophagous, and the mines have been found on over 80 North American plant genera that belong to 40 families (Eiseman et al., 2017). Given the small number of described species relative to the large number of hosts, there appear to be dozens of undescribed species in the US. Many of the species are difficult to rear and are only known from leaf or stem mines. North Carolina appears to have numerous undescribed species based on host preferences and mine characteristics, and Tracy Feldman has spearheaded efforts to document these within the state. We have included Marmara that we believe are probably undescribed species (ca. 30) and have listed these by their host plants. We encourage individuals to submit any leaf or stem mines that they find based on the plant hosts in order to better document the distribution and relative abundance of these forms in North Carolina.
Identification
Field Guide Descriptions: Online Resources:                                                                                  
Adult Markings: This appears to be an undescribed species that mines the stems of hickories. As of 2024, there are no descriptions of the adults and all of our records are based on stem mines.
Immatures and Development: The larvae mine the stems of at least three species of hickories and produce elongated mines on the younger stems and branches.
Distribution in North Carolina
Distribution: As of 2024 all of our records are from the Coastal Plain. There is also one record from Louisiana (Eiseman, 2022).
County Map: Clicking on a county returns the records for the species in that county.
Marmara new species 8 - on Carya spp.Alamance Alexander Alleghany Anson Ashe Avery Beaufort Bertie Bladen Brunswick Buncombe Burke Cabarrus Caldwell Camden Carteret Caswell Catawba Chatham Cherokee Chowan Clay Cleveland Columbus Craven Cumberland Currituck Dare Davidson Davie Duplin Durham Edgecombe Forsyth Franklin Gaston Gates Graham Granville Greene Guilford Halifax Harnett Haywood Henderson Hertford Hoke Hyde Iredell Jackson Johnston Jones Lee Lenoir Lincoln Macon Madison Martin McDowell Mecklenburg Mitchell Montgomery Moore Nash New%20Hanover Northampton Onslow Orange Pamlico Pasquotank Pender Perquimans Person Pitt Polk Randolph Richmond Robeson Rockingham Rowan Rutherford Sampson Scotland Stanly Stokes Surry Swain Transylvania Tyrrell Union Vance Wake Warren Washington Watauga Wayne Wilkes Wilson Yadkin Yancey
Flight Dates:
 High Mountains (HM) ≥ 4,000 ft.
 Low Mountains (LM) < 4,000 ft.
 Piedmont (Pd)
 Coastal Plain (CP)

Click on graph to enlarge 		Image showing flight dates by month for High Mountains greater than 4,000 feet, Low Mountains, Piedmont, and Coastal Plain: adults.
Habitats and Life History
Habitats: Local populations are generally found in hardwood or mixed pine-hardwood forests where hickories are well represented.
Larval Host Plants: As of 2024 we have host records for Bitternut Hickory (Carya cordiformis), Mockernut Hickory (C. tomentosa) and Sand Hickory (C. pallida).
Observation Methods: We recommend searching the younger stems of hickories for the stem mines. The adults should be reared, photographed and collected whenever possible.
Wikipedia
Status in North Carolina
Natural Heritage Program Status:
Natural Heritage Program Ranks: GNR[SU]
State Protection:
Comments:

 Photo Gallery for Marmara new species 8 - on Carya spp. - No Common Name

Photos: 2
Marmara new species 8 - on Carya spp.Recorded by: Tracy Feldman on 2022-04-25
Scotland Co.
Comment: Unoccupied stem mine was on Carya tomentosa. 		Marmara new species 8 - on Carya spp.Recorded by: Tracy Feldman on 2022-04-25
Scotland Co.
Comment: Unoccupied stem mine was on Carya tomentosa.