Size
wingspan 50-88 mm; male considerably smaller than female
Identification
Adult: forewing speckled gray with black zigzag PM and ST lines that sometimes touch; reniform spot represented by a black discal dot; AM line black, jagged, with elongate projection that touches the reniform spot (a diagnostic feature); hindwing variably pale gray to pink with large black discal spot and dark PM and ST lines
Range
southwestern United States (Colorado, Arizona, New Mexico) south into Mexico
Season
adults fly from June to August
Food
larvae feed on leaves of pine (Pinus spp.)
adults do not feed
Life Cycle
one generation per year; overwinters as a pupa in loose cocoon in soil
See Also
in other Coloradia species, the forewing AM line does not touch the reniform spot
Internet References
pinned adult images of female and male, plus photos of related species by Jim Vargo (Moth Photographers Group)
pinned adult image by Paul Opler, plus species account, including US distribution map (butterfliesandmoths.org)
pinned adult images of male and female (Bruce Walsh, Moths of Southeastern Ariona)
description of diagnostic feature in comparison with
C. pandora (Jeff Miller, Macromoths of Northwest Forests and Woodlands, USGS)