Oklahoma Counties

This distribution chart is a compilation of information from Paul Opler's Moths of North America Website, the Lepidopterists' Society Season Summary, Lemaire's Hemileucinae 2003 and personal communication with many residents of Oklahoma. See comments below the map.
Actual ranges may, in many cases, be more expansive than noted, but Oklahoma is well known as a transition state where many of the silkmoths common to the eastern United States encounter the western most limits of their respective ranges. Only Hemileuca oliviae is found in the western most portions of the state; most other species are limited to the eastern half of the state or counties of the extreme East.
Clicking on a scientific name will take you to a file with pictures and/or information.

Western Oklahoma

O Anisota stigma
O Anisota virginiensis
O Dryocampa rubicunda
O Eacles imperialis
O Citheronia regalis
O Sphingicampa bicolor
O Sphingicampa bisecta
# Automeris io
# Hemileuca maia
# Hemileuca nevadensis
# Hemileuca oliviae
X Hyalophora cecropia
+ Actias luna
+ Antheraea polyphemus
O Anisota stigma
O Anisota virginiensis
O Dryocampa rubicunda
O Eacles imperialis

Eastern Oklahoma

O Anisota stigma
O Anisota virginiensis
O Dryocampa rubicunda
O Eacles imperialis
O Citheronia regalis
O Sphingicampa bicolor
O Sphingicampa bisecta
# Automeris io
# Hemileuca maia
# Hemileuca nevadensis
# Hemileuca oliviae
X Hyalophora cecropia
+ Actias luna
+ Antheraea polyphemus
O Anisota stigma
O Anisota virginiensis
O Dryocampa rubicunda
O Eacles imperialis
O Citheronia regalis
O Sphingicampa bicolor
O Sphingicampa bisecta

Jessica L. Townsend reports Actias luna and Antheraea polyphemus in Grady County.
Eddene Hightower Thompson sent me a small image of a male cecropia, taken by her daughter Janet Roe, May 30, 2008 in Rogers County.
Larry and Beverly send this image of Hyalophora cecropia in copula, Miami, Ottawa County, June 9, 2009.

Hyalophora cecropia in copula, Miami, Ottawa County, June 9, 2009, courtesy of Lary and beverly.

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