Hellinsia corvus
Encyclopedia
Hellinsia corvus is a moth
of the Pterophoridae family. It is found in California
, Colorado
, Alberta
and British Columbia
.
The wingspan
is 17-20 mm. The head is brown, but pale yellow between the antennae. These are whitish, dotted with brown above. The thorax and abdomen are pale yellow to very pale greyish yellow, the latter with a fine light brown dorsal line. The thorax is yellowish in front in darker specimens and slightly brownish above in the lighter ones. The forewings are clear pale yellow in the lightest specimens, with some brown scales near base, sometimes a small brown dot a short distance before the base of the cleft, and sometimes a brown subcostal shade which meets the costa in the first lobe. Sometimes, the wings have a pale yellowish or greyish yellow costal band running from the base to a point opposite the base of the cleft. Behind this the entire wing is clothed with brownish grey mixed with very pale yellowish scales, becoming more whitish toward the inner margin. The costal fringes on the first lobe are yellowish, while others are dark greyish. The hindwings and their fringes are brownish grey, in the pale specimens appearing dark in contrast to the yellow forewings.
Moth
A moth is an insect closely related to the butterfly, both being of the order Lepidoptera. Moths form the majority of this order; there are thought to be 150,000 to 250,000 different species of moth , with thousands of species yet to be described...
of the Pterophoridae family. It is found in California
California
California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...
, Colorado
Colorado
Colorado is a U.S. state that encompasses much of the Rocky Mountains as well as the northeastern portion of the Colorado Plateau and the western edge of the Great Plains...
, Alberta
Alberta
Alberta is a province of Canada. It had an estimated population of 3.7 million in 2010 making it the most populous of Canada's three prairie provinces...
and British Columbia
British Columbia
British Columbia is the westernmost of Canada's provinces and is known for its natural beauty, as reflected in its Latin motto, Splendor sine occasu . Its name was chosen by Queen Victoria in 1858...
.
The wingspan
Wingspan
The wingspan of an airplane or a bird, is the distance from one wingtip to the other wingtip. For example, the Boeing 777 has a wingspan of about ; and a Wandering Albatross caught in 1965 had a wingspan of , the official record for a living bird.The term wingspan, more technically extent, is...
is 17-20 mm. The head is brown, but pale yellow between the antennae. These are whitish, dotted with brown above. The thorax and abdomen are pale yellow to very pale greyish yellow, the latter with a fine light brown dorsal line. The thorax is yellowish in front in darker specimens and slightly brownish above in the lighter ones. The forewings are clear pale yellow in the lightest specimens, with some brown scales near base, sometimes a small brown dot a short distance before the base of the cleft, and sometimes a brown subcostal shade which meets the costa in the first lobe. Sometimes, the wings have a pale yellowish or greyish yellow costal band running from the base to a point opposite the base of the cleft. Behind this the entire wing is clothed with brownish grey mixed with very pale yellowish scales, becoming more whitish toward the inner margin. The costal fringes on the first lobe are yellowish, while others are dark greyish. The hindwings and their fringes are brownish grey, in the pale specimens appearing dark in contrast to the yellow forewings.