Heterogenea shurtleffi

Packard, 1864
Red-eyed Button Slug

Sort #: 938 | P #: 570052 | MPG #: 4657
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Larval feeding type: External feeder on leaves
Larval substrate: Quercus velutina (Black Oak), Castanea (Chestnut), Fagus (Beech), Carpinus caroliniana (American Hornbeam)
Phenology: Adult: 7/02 to 7/13 (2 records)

Comment: The single existing record has proved to be Lithacodes fiskeanus, leaving no confirmed record for Massachusetts. However, there is a pending record needing confirmation, so the species is retained for the time being.

Status in MA (automated assessment): Restricted distribution, rare
Status in N. America: Native
MA Endangered Species Act status: None
First Year Reported: 2019
Last Year Reported: 2025

Distribution by County: Worcester, Plymouth
Number of Records: 2