Compsus auricephalus
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| Compsus auricephalus | |
|---|---|
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Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Coleoptera |
| Suborder: | Polyphaga |
| Infraorder: | Cucujiformia |
| Family: | Curculionidae |
| Genus: | Compsus |
| Species: | C. auricephalus |
| Binomial name | |
| Compsus auricephalus (Say, 1824) | |
| Synonyms[1] | |
| |
Compsus auricephalus, the golden-headed weevil, is a species of broad-nosed weevil in the beetle family Curculionidae.[2] It is native and fairly widespread across the southern U.S.A., extending through Central America in Guatemala and Mexico.[1]
There are two color morphs of Compsus auricephalus: predominantly green with pink/coppery head and part of the legs, or completely white to pale brown.
The status, variation, distribution, and biological information about the species was revised in 2020.[3]
The species was originally described by Thomas Say in 1824 under the name Curculio auricephalus [4] on page 310.[5] It belongs to the predominantly Neotropical genus Compsus in the tribe Eustylini, in the subfamily Entiminae. It is the northernmost distributed species of the genus and the only native representative of the genus in the U.S.A.
There is an additional species distributed in Costa Rica, Honduras, Nicaragua, and Panama (as far south as the Canal Zone) that partly matches the white morph of Compsus auricephalus. Its more elevated elytral intervals and features of the male genitalia confirm that it is a different species, although it is still unknown if this species has an existing name.[3][6]
Distribution
Compsus auricephalus is known from Guatemala, Mexico, and the U.S.A.[3]
In the U.S.A. it has been recorded from Alabama, Arizona, Arkansas, Colorado, Florida*, Georgia*, Illinois, Kentucky, Louisiana, Mississippi, New Mexico, Ohio*, Oklahoma, Tennessee, Texas, and Utah.[3] It has also been intercepted at ports of entry in Ontario, Canada.[3][7]