Lygropia rivulalis

Hampson, [1899] 1898
Bog Lygropia

Sort #: 1542 | P #: 800929 | MPG #: 5250 | PFG Page #: 174
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Larval substrate: Unknown
Phenology: Adult: 6/24 to 9/03 (81 records)

Comment: A dirty-white larva has been found in MA in a shelter made of grass leaves tied together, in which it pupated shortly after. It is not known whether the caterpillar was feeding on the grass or just used it to pupate

Status in MA (automated assessment): Fairly widespread, very common
Status in N. America: Native
MA Endangered Species Act status: None
First Year Reported: 1928
Last Year Reported: 2026

Distribution by County: Berkshire, Hampshire, Franklin, Worcester, Middlesex, Essex, Suffolk, Norfolk, Bristol, Plymouth, Dukes, Nantucket
Number of Records: 86