''Gerdana'' is a genus of

moth Moths are a group of insects that includes all members of the order Lepidoptera that are not Butterfly, butterflies. They were previously classified as suborder Heterocera, but the group is Paraphyly, paraphyletic with respect to butterflies (s ...

s in the family

Autostichidae Autostichidae is a family of moths in the moth superfamily Gelechioidea. Subfamilies * Autostichinae Le Marchand, 1947 * Deocloninae Hodges, 1998 * Glyphidocerinae Hodges, 1998 *Holcopogoninae __NOTOC__ The Holcopogoninae are a subfamily of m ...

. It contains only one species, ''Gerdana caritella'', which is found in

North America North America is a continent in the Northern Hemisphere, Northern and Western Hemisphere, Western hemispheres. North America is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South Ameri ...

, where it has been recorded from southeastern

Canada Canada is a country in North America. Its Provinces and territories of Canada, ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, making it the world's List of coun ...

and the eastern

United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...

. The

wingspan The wingspan (or just span) of a bird or an airplane is the distance from one wingtip to the opposite wingtip. For example, the Boeing 777–200 has a wingspan of , and a wandering albatross (''Diomedea exulans'') caught in 1965 had a wingsp ...

is 13–17 mm. The forewings are light yellow, suffused with darker saffron-yellow. The basal half of the costal edge is darkened with black dusting. The hindwings are whitish fuscous. Adults are mainly on wing from June to August. The larvae have been recorded feeding on ''

Phoradendron ''Phoradendron'' is a genus of mistletoe, native to warm temperate and tropical regions of the Americas. The center of diversity is the Amazon rainforest.Coder, K. DAmerican mistletoe (''Phoradendron serotinum'' var. ''serotinum'') infection ...

'', ''

Picea mariana ''Picea mariana'', the black spruce, is a North American species of spruce tree in the Pinaceae, pine family. It is widespread across Canada, found in all 10 provinces and all 3 Canadian Arctic Lands, territories. It is the official tree of Newfo ...

'' and ''

Picea pungens The blue spruce (''Picea pungens''), also commonly known as Colorado spruce or Colorado blue spruce, is a species of spruce tree native to North America in Arizona, Colorado, Idaho, New Mexico, Utah and Wyoming. It is noted for its blue-green co ...

''.Bug Guide
/ref>

References

Symmocinae Monotypic moth genera Moths of North America {{Symmocinae-stub