Northern Prairie Wildlife Research Center
Caterpillars of Pacific Northwest
Forests and Woodlands
Photo Key to Species
Group B-3 -- Species in group B-3 have hairs that are sclerotized and spine-like. Most of these species are Nymphalidae or Saturniidae.
Group B-3a -- Subgroups: Spines with a single point - Species in group B-3a have hairs modified into chalazae. Most of these species are Nymphalidae.
Return to Photo Key to Species
Next Section -- Group B-3b - Subgroups: Spines with multiple tips