Synonyms and other taxonomic changes
Pygarctia murina (Stretch, 1885)
Euchaetes murina Stretch, 1885
P. oslari Rothschild, 1910
P. murina albistrigata Barnes & McDunnough, 1913 (now a synonym of Pygarctia pterygostigma Dyar, 1909)
P. poliochroa Hampson, 1916
* phylogenetic sequence #930423
Forewing length 13-16 mm. (2)
Larvae mature to 22 mm (Comstock & Dammers, 1935).
Pupa 11 mm (Comstock & Dammers, 1935).
Larva - typical "wooly bear" type of this group. Ground color purple-brown or blue-gray, a narrow lemon yellow subdorsal stripe, a wide yellow stripe below spiracles, black pencil tufts and longer white hairs, head dark orange with orange hairs (adapted from Comstock & Dammers).
Southern Texas west to southeastern California, southwest Utah, southern Colorado. (2)
A single flight from late July to September. (2)
Henne found them on a "errect red-stemmed" spurge
) in California and reared them on twinevive
) and spurge (Comstock & Dammers, 1935).
Pupation occurs in a silk cocoon within surface debris (Comstock & Dammers, 1935).
Barnes, W. & J.H. McDunnough 1913. New N. Am. Lepidoptera with notes on described species. Cont. Nat. Hist. Lep. North America 2(3): 103
(Pygarctia murina albistrigata
Comstock, J.A. & C.A. Dammers 1935. Notes on the life histories of three butterflies and three moths from California . Bull. Southern California Acad. Sci. 34(3): 220
Hampson, G.F. 1916. Descriptions of new species of the family Arctidae in the British Museum. Novitates Zoologicae 23: 238
Rothschild, W. 1910. Descriptions of new species of Arctianae in the Tring Museum. Novitates Zoologicae 7: 175
Stretch, R.H. 1885. Descriptions of new species of Heterocera. Entomologica Americana 1(6): 106