Field Guide Descriptions: Covell (1984) | Online Photographs: MPG, BugGuide, GBIF, BOLD | Technical Description, Adults: Forbes (1954) | Technical Description, Immature Stages: Wagner (2005); Wagner et al. (2011) | |
Adult Markings: A dark umber to coal black Zale, often with some bands of brown or purple; almost always frosted with green or greenish white scales, which make it unmistakable. |
Adult ID Requirements: Identifiable from good quality photos of unworn specimens. |
Immatures and Development: Larvae are fairly distinctive, colored a pinkish to reddish brown and possessing a well-developed mid-dorsal stripe (see Wagner et al., 2011, for details). |
Larvae ID Requirements: Identifiable from good quality photos, especially where associated with known host plants. |