Meroptera pravella

(Grote, 1878)
Lesser Aspen Webworm

Sort #: 1427 | P #: 800270 | MPG #: 5787
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Larval feeding type: On sumac, in the flowerhead
Larval substrate: Betula papyrifera (Paper Birch), Fagus grandifolia (American Beech), Populus tremuloides (Quaking Aspen), Populus grandidentata (Big-tooth Aspen), Salix (Willow), Ulmus americana (American Elm), Rhus* (Sumac)
Phenology: Adult: 6/03 to 8/14 (18 records)

Status in MA (automated assessment): Fairly widespread, uncommon
Status in N. America: Native
MA Endangered Species Act status: None
First Year Reported: 1905
Last Year Reported: 2025

Distribution by County: Berkshire, Hampshire, Franklin, Middlesex, Essex, Norfolk, Barnstable, Nantucket
Number of Records: 24