Callisto denticulella

(Thunberg, 1794)

Sort #: 221 | P #: 330121 | MPG #: 664
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Larval feeding type: Forms a tentiform leaf-mine on the underside (can also be on the upperside), then feeds in a leaf edge folded downwards, usually making two leaf-folds, one smaller (about 10mm) and then one about twice the size of the first; pupates in a silken cocoon away from the feeding area
Larval substrate: Malus pumila* (Apple)

Comment: One generation only; larvae can be found end of June and beginning of July

Status in MA (automated assessment): Widespread, uncommon
Status in N. America: Introduced
MA Endangered Species Act status: None
First Year Reported: 2014
Last Year Reported: 2020

Distribution by County: Berkshire, Franklin, Worcester, Middlesex, Norfolk, Plymouth, Nantucket
Number of Records: 13