Synonyms and other taxonomic changes
Phragmatobia assimilans Walker, 1855
Phylogenetic sequence # 930334
Lafontaine & Schmidt (2010) included three species of the genus Phragmatobia
in America north of Mexico. (1)
Adult: forewing opaque dark reddish-brown with dark speckling and faint black AM, PM, and ST lines; female larger and darker with more prominent forewing pattern; hindwing reddish or pinkish with broad black terminal band but no black shading along costa.
[adapted from description by Charles Covell]
Coast to coast in northern United States and southern Canada
Moth Photographers Group
- large map with some distribution data.
Moist open habitats in deciduous and mixed forest.
Adults fly from late April to August. (2)
Larvae feed on leaves of Balsam Poplar (Populus balsamifera), raspberry, White Birch (Betula papyrifera) - and have been reared on dandelion and plantain. Also Apocynaceae (HOSTS).
Ruby Tiger Moth
) has no lines on forewings
Lined Ruby Tiger Moth
) has translucent forewings with less speckling
of all three species)
Newman, J.H. & J.P. Donahue 1966. The genus Phragmatobia
in North America, with a description of a new species (Lepidoptera: Arctiidae). The Michigan Entomologist
Powell, J.A. & P.A. Opler, 2009. Moths of Western North America
. University of California Press, pl. 47, fig. 10; p. 269.(4)
pinned adult image
plus habitat, flight season, description, food plants, distribution (Strickland Entomological Museum, U. of Alberta)