Coleophora atromarginata

Braun, 1914
American Pistol Casebearer

Sort #: 654 | P3 #: 421512 | MPG #: 1257 | PFG Page #: 54
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Larval feeding type: Leaf feeder, in a pistol-shaped case, skeletonizing leaves rather than mining them
Larval substrate: Betula (Birch), Quercus alba* (White Oak), Quercus rubra (Northern Red Oak), Quercus bicolor (Swamp White Oak), Carpinus (Ironwood), Ostrya (Hop Hornbeam), Carya (Hickory), also Prunus (Cherry), Corylus americana* (Hazelnut)
Phenology: Adult: 6/22 to 8/19 (7 records)

Status in MA (automated assessment): Widespread, uncommon
Status in N. America: Native
MA Endangered Species Act status: None
First Year Reported: 1936
Last Year Reported: 2022

Distribution by County: Hampden, Franklin, Worcester, Middlesex, Plymouth, Barnstable, Dukes, Nantucket
Number of Records: 13