Synanthedon acerni, the maple callus borer, is a moth of the family Sesiidae. It is found in Eastern Canada and much of the Eastern United States.

Synanthedon acerni
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Sesiidae
Genus: Synanthedon
Species:
S. acerni
Binomial name
Synanthedon acerni
Clemens, 1860
Pupal skins on the bark of a host tree

The wingspan is 18–25 mm. The moths are on the wing from June to July, but in the United States from April on.

The larvae feed on Acer species.

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