Lascoria ambigualis

(Walker, 1866)
The Ambiguous

Sort #: 2226 | P #: 930547 | MPG #: 8393 | PFG Page #: 318
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Larval substrate: Chrysanthemum (Florist's Daisy), Ambrosia (Ragweed), Armoracia rusticana (Horseradish), Solanum dulcamara* (Climbing Nightshade)
Phenology: Adult: 5/05 to 10/16 (365 records)

Status in MA (automated assessment): Widespread, very common
Status in N. America: Native
MA Endangered Species Act status: None
First Year Reported: 1868
Last Year Reported: 2025

Distribution by County: Berkshire, Hampden, Hampshire, Franklin, Worcester, Middlesex, Essex, Suffolk, Norfolk, Bristol, Plymouth, Barnstable, Dukes, Nantucket
Number of Records: 497