Micrurapteryx salicifoliella

(Chambers, 1872)
Willow Leafblotch Miner

Sort #: 215 | P #: 330107 | MPG #: 647 | PFG Page #: 36
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Larval feeding type: Upperside leaf-miner, pupates outside the mine in a silken cocoon
Larval substrate: Salix sp., narrow-leaved* ('narrow-leaved willow'), Salix sp., broad-leaved* ('broad-leaved willow'), Salix sericea* (Silky Willow), Salix discolor* (Pussy Willow), Populus (Poplar)
Phenology: Adult: 10/24 to 5/24 and 7/24 to 7/31 (5 records)

Comment: Adults of the second, more common, generation emerge end of September to mid-November, so presumably overwinter. Larval mines of the first generation can be found in June/July. Adults are almost impossible to distinguish from M. occulta.

Status in MA (automated assessment): Fairly widespread, uncommon
Status in N. America: Native
MA Endangered Species Act status: None
First Year Reported: 2004
Last Year Reported: 2022

Distribution by County: Berkshire, Worcester, Middlesex, Essex, Suffolk, Plymouth
Number of Records: 13