Eucosma formosana

(Clemens, 1860)
Beautiful Eucosma

Sort #: 728 | P #: 510763 | MPG #: 2916
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Larval feeding type: Spins terminal leaves together, then bores into the stem
Larval substrate: Solidago spp. (Goldenrod)
Phenology: Adult: 5/18 to 8/12 (34 records)

Status in MA (automated assessment): Widespread, fairly common
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, Worcester, Middlesex, Essex, Bristol, Dukes, Nantucket
Number of Records: 36