Anisota stigma

(Fabricius, 1775)
Spiny Oakworm

Sort #: 1711 | P #: 890014 | MPG #: 7716 | PFG Page #: 250
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Larval feeding type: Feeds externally
Larval substrate: Primarily Quercus (Oak), also Tilia (Basswood), Corylus (Hazel)
Phenology: Adult: 5/19 to 8/08 and 9/15 (217 records)

Comment: Abundant on Nantucket, MV, South Cape and pine Barrens of Plymouth Co

Status in MA (automated assessment): Restricted distribution, common
Status in N. America: Native
MA Endangered Species Act status: None
First Year Reported: 1856
Last Year Reported: 2026

Distribution by County: Middlesex, Essex, Suffolk, Norfolk, Plymouth, Barnstable, Dukes, Nantucket
Number of Records: 449