Northern Prairie Wildlife Research Center
Caterpillars of Pacific Northwest
Forests and Woodlands
Rheumaptera subhastata [Geometridae]
Black; orange head; prolegs and spiracular area pale orange. This caterpillar lives in folded leaf tents and is very common on mountain alder during August and September.
Previous Section -- Itame bitactata [Geometridae]
Return to Photo Key to Species in Group A-1b - Body with distinct patches of color