Other Common Names
Monkey Slug (caterpillar)
Identification
Caterpillar is most frequently seen. Bizarre, brown, hairy creature that resembles some sort of aquatic creature more than a caterpillar. Three pairs of long arms and three pairs of short arms, which are "deciduous" - often one or more is missing.
Adult (imago) is brown with irregular silver highlights. Tufts (pencils) of white hair-like scales on forelegs are notable.
Season
Catepillar: July-October. Imago (adult) May-September
Life Cycle
Larvae feed on broad-leaved trees and shrubs, including oaks, cherries.
Remarks
Caution, This is a stinging caterpillar. See
this site for more information.
Print References
Covell, p. 410, plate 56 #7 (male), #10 (female)
(1)
Mitchell, p. 145--good illustrations of caterpillar and adult
(3)
Internet References
Forestry Images--one image of caterpillar
Invasive.org--links to several images