| Moths of North Dakota |
Arctiidae: Arctiinae: Arctiini |
Virbia ferruginosa (Walker 1854)
| Common name: Rusty virbia.
Hodges #: 8123. Identification: Rfw 12.3 mm, fw venation quadrifid, dorsal surface of antennae orange at base, fading to light brown and whitish distally, ventral abdomen brown to yellow. Similar species: 8125, 8121, 8114, 8092, 6322, 6256, 4992. Distribution: southern Canada and northern U.S., east of Rockies. Hosts: Larvae have been reared on Taraxicum-- dandelion. Note: The very similar V. aurantiaca (Hübner) occurs in SD. Lightest males resemble H. ferruginosa, darkest females resemble the lower right figure of V. fragilis. See key and photo gallery. Antennal characters are those of V. fragilis; rfw length averages 1 mm shorter.
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 SD, Minnehaha Co., Sioux Falls. light. 25- VII- 1977, coll. G. Fauske.
ND, Ransom Co., A annex allotment, Sheyenne Natl. grasslands. T134N R54W Sec. 8. Hg/UV light. 24- VI- 1992, coll. D. Cuthrell.
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