Synanthedon acerni

(Clemens, 1860)
Maple Callus Borer

Sort #: 910 | P #: 550095 | MPG #: 2554 | PFG Page #: 80
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Larval feeding type: Bark borer
Larval substrate: Acer rubrum (Red Maple) and other Acer species
Phenology: Adult: 5/25 to 9/24 (260 records)

Comment: The only MA Sesiid species which is regularly attracted to light. A specific pheromone lure is also commercially available. It can be confused with both S. acerrubri and Carmenta corni (both have an all-orange tip to the abdomen in the female), but this species has no white on the antennae. The female is very different, with dark forewings, orange thorax and base and tip of the abdomen.

Status in MA (automated assessment): Widespread, very common
Status in N. America: Native
MA Endangered Species Act status: None
First Year Reported: 1905
Last Year Reported: 2025

Distribution by County: Berkshire, Hampden, Hampshire, Franklin, Worcester, Middlesex, Essex, Suffolk, Norfolk, Bristol, Plymouth, Barnstable, Dukes, Nantucket
Number of Records: 289