North Dakota 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 North Dakota. See comments below the map. I have also compared with and updated from the highly reliable resource at http://www.ndsu.nodak.edu/ndsu/ndmoths/photo_gallerylist.htm#Saturniidae by Gerald Fauske.

Actual ranges may, in many cases, be more expansive than noted, but North Dakota 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.

Luna is found only in the east; columbia gloveri and pandora and hera hera are found only in the west; cecropia and polyphemus are probably widespread and fairly common.

The listing for Automeris io in Golden Valley is probably due to a release of an "imported" moth.

I suspect Dryocampa rubicunda in some of the eastern counties, but I have no confirmations.

Clicking on a scientific name will take you to a file with pictures and/or information.

O Dryocampa rubicunda # Automeris io # Coloradia pandora # Hemileuca hera hera # Hemileuca nevadensis X Hyalophora cecropia X Hyalophora columbia gloveri + Actias luna + Antheraea polyphemus O Dryocampa rubicunda

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