Packardia geminata

(Packard, 1864)
Jeweled Tailed Slug

Sort #: 941 | P #: 570058 | MPG #: 4659 | PFG Page #: 72
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Larval feeding type: External feeder on leaves
Larval substrate: Trees and shrubs, incl. Betula (Birch), Carya (Hickory), Quercus (Oak), Picea (Spruce), Quercus montana* (Mountain Chestnut Oak), Prunus sp.* ('Wild Cherry')
Phenology: Adult: 6/01 to 8/21 (177 records)

Comment: Packardia albipunctata (with ssp. ocellata) has now been synonymized with P. geminata due to a lack of any differences in the genitalia or larva

Status in MA (automated assessment): Widespread, very common
Status in N. America: Native
MA Endangered Species Act status: None
First Year Reported: 1867
Last Year Reported: 2025

Distribution by County: Berkshire, Hampden, Hampshire, Franklin, Worcester, Middlesex, Essex, Suffolk, Norfolk, Bristol, Plymouth, Barnstable, Dukes
Number of Records: 208