Macaria bisignata

Walker, 1866
Red-headed Inchworm

Sort #: 1916 | P #: 910757 | MPG #: 6342 | PFG Page #: 212
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Larval substrate: Pinus strobus (Eastern White Pine)
Phenology: Adult: 4/14 to 10/26 (698 records)

Status in MA (automated assessment): Widespread, very common
Status in N. America: Native
MA Endangered Species Act status: None
First Year Reported: 1906
Last Year Reported: 2026

Distribution by County: Berkshire, Hampden, Hampshire, Franklin, Worcester, Middlesex, Essex, Suffolk, Norfolk, Bristol, Plymouth, Barnstable, Dukes, Nantucket
Number of Records: 1246