Pseudothyris sepulchralis

(Guérin-Méneville, 1832)
Mournful Thyris

Sort #: 1360 | P #: 700004 | MPG #: 6077 | PFG Page #: 176
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Larval substrate: Clematis, Vitis (Grape)
Phenology: Adult: 5/10 to 7/13 (62 records)

Status in MA (automated assessment): Widespread, very common
Status in N. America: Native
MA Endangered Species Act status: None
First Year Reported: 1908
Last Year Reported: 2026

Distribution by County: Hampshire, Franklin, Worcester, Middlesex, Essex, Suffolk, Norfolk, Bristol, Plymouth, Barnstable, Dukes, Nantucket
Number of Records: 80