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Virbia nigricans
''Virbia nigricans'' is a moth in the Arctiidae family. It was described by Reakirt in 1864. It is found in secondary secession habitats in western New Jersey and Pennsylvania.
The length of the forewings is about 8.2 mm for males and 9.3 mm for females. The male forewings are tawny buff from the base to the postmedial region, fading to clay from the subterminal region to the wing apex. There is a faint umber discal spot. The hindwings are brown from the inner margin to the outer edge. The medial region is flesh ocher from the base along the anterior margin to the postmedial region. There is a brown discal spot. The female forewings are usually the same as in males, but sometimes suffused with orange rufous scales. The hindwings are usually also the same as in males, but some specimens have a large discontinuous dark sepia terminal band. There are two generations per year with adults on wing from late May to June and again from early to mid-August.〔, 2008: A faunal review of ''Virbia'' (formerly Holomelina) for North America North of Mexico (Arctiidae: Arctiinae: Arctiini). ''Bulletin of the Florida Museum of Natural History'' 48 (3): 59-118. Full article: ().〕
==References==
*(Natural History Museum Lepidoptera generic names catalog )
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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