Mesothea incertata

(Walker, [1863])
Day Emerald

Sort #: 1896 | P #: 910675 | MPG #: 7085
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Larval substrate: Salix (Willow), Myrica gale (Sweetgale), Alnus (Alder), Betula (Birch), Sherpherdia canadensis (Canada Buffalo Berry), Ribes (Gooseberry), Ceanothus americanus (New Jersey Tea), Pinus (Pine)
Phenology: Adult: 5/02 to 6/08 (14 records)

Status in MA (automated assessment): Fairly widespread, very rare
Status in N. America: Native
MA Endangered Species Act status: None
First Year Reported: 1883
Last Year Reported: 2025

Distribution by County: Hampshire, Franklin, Worcester, Middlesex, Essex, Suffolk, Bristol, Plymouth, Barnstable, Dukes, Nantucket
Number of Records: 25