Adoneta spinuloides
(Herrich-Schäffer, 1854)
Purple-crested Slug
Sort #: 1288 | P3 #: 660043 | MPG #: 4685 | PFG Page #: 74
View on BugGuide | View on iNaturalist | BOLD Link
Larval feeding type: External feeder on leaves
Larval substrate: Trees and shrubs, incl. Prunus serotina* (Black Cherry), Rhamnus* (Buckthorn), Quercus rubra* (Red Oak), Quercus coccinea* (Scarlet Oak), Tila (Basswood), Fagus (Beech), Betula (Birch), Castanea (Chestnut), Salix (Willow)
Phenology: Adult: 6/20 to 7/31 (39 records)
Status in MA (automated assessment): Widespread, very common
Status in N. America: Native
MA Endangered Species Act status: None
First Year Reported: 1871
Last Year Reported: 2023
Distribution by County: Berkshire, Hampshire, Franklin, Worcester, Middlesex, Essex, Suffolk, Norfolk, Bristol, Plymouth, Dukes
Number of Records: 66