''Gypsonoma haimbachiana'', the cottonwood twig borer, is a

moth Moths are a paraphyletic group of insects that includes all members of the order Lepidoptera that are not butterflies, with moths making up the vast majority of the order. There are thought to be approximately 160,000 species of moth, many of w ...

of the family Tortricidae. It is found in eastern North America, from Canada to the Gulf Coast of the United States and west to

Missouri Missouri is a U.S. state, state in the Midwestern United States, Midwestern region of the United States. Ranking List of U.S. states and territories by area, 21st in land area, it is bordered by eight states (tied for the most with Tennessee ...

. The

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

is 13–17 mm. Adults are ash grey. There are four or more generations per year in the southern part of their range. The larvae feed on ''Populus'' sect. ''Aigeiros'' and other ''

Populus ''Populus'' is a genus of 25–30 species of deciduous flowering plants in the family Salicaceae, native to most of the Northern Hemisphere. English names variously applied to different species include poplar (), aspen, and cottonwood. The we ...

'' species.

Etymology

The species is named for Frank Haimbach, who collected the first specimens in

Cincinnati Cincinnati ( ) is a city in the U.S. state of Ohio and the county seat of Hamilton County. Settled in 1788, the city is located at the northern side of the confluence of the Licking and Ohio rivers, the latter of which marks the state line wit ...

, Ohio.Bug Guide
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Gallery

Image:Gypsonoma haimbachiana egg.jpg, Egg Image:Gypsonoma haimbachiana larva.jpg, Larva Image:Gypsonoma haimbachiana larva1.jpg, Larva Image:Gypsonoma haimbachiana damage.jpg, Damage Image:Gypsonoma haimbachiana damage1.jpg, Damage

References

Moths described in 1907 Eucosmini {{Eucosmini-stub