Phragmatobia assimilans
Walker, 1855
Large Ruby Tiger
Sort #: 2157 | P #: 930334 | MPG #: 8158 | PFG Page #: 302
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Larval feeding type: Feeds externally on leaves
Larval substrate: Apocynum androsaemifolium (Spreading Dogbane), Betula payrifera (Paper Birch), Plantago (Plantain), Populus balsamifera (Balsam Poplar), Rubus (Blackberry, Raspberry), Taraxacum (Dandelion)
Phenology: Adult: 5/05 to 10/04 (60 records)
Status in MA (automated assessment): Fairly widespread, fairly common
Status in N. America: Native
MA Endangered Species Act status: None
First Year Reported: 1904
Last Year Reported: 2025
Distribution by County: Berkshire, Hampshire, Franklin, Worcester, Middlesex, Essex, Bristol, Plymouth, Barnstable
Number of Records: 140
