Synonyms and other taxonomic changes
Epimartyria auricrinella Walsingham, 1898
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Micropteryx auricrinella
Phylogenetic sequence #010001
Explanation of Names
Specific epithet from Latin
aurum crinis meaning "golden-plumed" for the "bright golden" head.
(1)Numbers
Three species of the genus
Epimartyria occur in America north of Mexico.
(2)Size
4 to 5 mm long.
Arnett (2000) listed the wingspan ± 8 mm.
(3)
Davis & Landry (2012) reported the forewing length 4.2-5.6 mm.
(2)Identification
Forewing without spots and dark fuscous with a copper or purple sheen. The only species of the three without yellow spots.
(2)
Adults have articulated mandibles instead of coiled probosis
Head: Light orangish-brown, long-haired or scaled. Mouth pale yellow.
Antenna: Base (scape) and pedicel light orangish-brown. Segments dark brown.
Thorax: Base more golden, the rest a coppery to purplish dark brown. Sides light orange-brown.
Wings: Forewings dark brownish-black with iridescent copper, gold and purple reflections. No marks or yellow spots. Fringe pale yellowish. Hindwings grayish, more iridescent at tips. Fringe gray.
Legs: Brownish-yellow.
Abdomen: Dark brown, long-scaled or hairy.
Similar Species: The other two species of Epimartyria have distinct yellow spots.
Range
Ontario to Nova Scotia and south to Tennessee and Georgia.
(4),
(5)
Also British Columbia and adjacent Washington.
Habitat
Heavily shaded mesic areas. Closed canopy mixed and coniferous forests. Shaded bogs and cedar swamps.
Food
The larvae are associated with
Bazzania trilobata (liverwort).
Life Cycle
Larva take two years to develop.
Remarks
The adults are
diurnal and are usually not attracted to lights.
(2)
Types:
Holotype as Micropteryx (Epimartyria) auricrinella male by Walsingham, 1898. #35325. Locality: North Carolina, collected by H. K. Morrison. Genital slide #BM8947. In the British Museum of Natural History, London, England.
Print References
Walsingham, T. de Grey. 1898. Descriptions of a new micropterygid genus and species, and a new eriocraniad species from N. America.
The Entomologist's Record and Journal of Variation 10(7):
162.
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