Caterpillars of Pacific Northwest
Forests and Woodlands
Photo Key to Species
Group B-2a -- Subgroups: Hairs different lengths - Species in group B-2a have hiars that are equal to or longer than half the width of the body.
Middorsal tufts of short, dense hairs - Species in this subgroup have tufts of relatively short but dense hairs middorsally on A1-A4, characteristic of the Lymantriidae.
- Dasychira grisefacta [Lymantriidae]
- Dasychira vagans [Lymantriidae]
- Orgyia antiqua [Lymantriidae] - Rusty Tussock Moth
- Orgyia pseudotsugata [Lymantriidae] - Douglas-fir Tussock Moth
Return to Photo Key to Species in Group B-2a
Next Section -- Sublateral long, dense hairs
