Dasylophia thyatiroides

(Walker, 1862)
Gray-patched Prominent

Sort #: 2112 | P #: 930134 | MPG #: 7958 | PFG Page #: 286
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Larval feeding type: External feeder
Larval substrate: Fagus (Beech)
Phenology: Adult: 5/22 to 9/28 (77 records)

Status in MA (automated assessment): Fairly widespread, uncommon
Status in N. America: Native
MA Endangered Species Act status: None
First Year Reported: 1934
Last Year Reported: 2025

Distribution by County: Berkshire, Hampden, Hampshire, Franklin, Worcester, Barnstable, Dukes
Number of Records: 92