Pediasia trisecta

(Walker, 1856)
Sod Webworm

Sort #: 1667 | P #: 801522 | MPG #: 5413 | PFG Page #: 150
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Larval substrate: Festuca rubra (Red Fescue), Poa pratensis (Kentucky Blue Grass), Zea mays (Corn), Nicotiana (Tobacco)
Phenology: Adult: 5/24 to 10/15 (186 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: 203