Pygarctia murina

Pygarctia murina, the mouse-colored euchaetias, is a moth in the family Erebidae. It was described by Richard Harper Stretch in 1885. It is found in the United States in south-western Utah, from southern Colorado to south-eastern California and in southern Texas.

Pygarctia murina
Pygarctia murina. Texas Canyon Rest Area, Cochise County, Arizona, USA
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Superfamily: Noctuoidea
Family: Erebidae
Subfamily: Arctiinae
Genus: Pygarctia
Species:
P. murina
Binomial name
Pygarctia murina
(Stretch, 1885)[1]
Synonyms
  • Euchaetes murina Stretch, 1885
  • Pygarctia oslari Rothschild, 1910
  • Pygarctia poliochroa Hampson, 1916
  • Pygarctia murina albistrigata Barnes & McDunnough, 1913

The wingspan is 26–33 mm. Adults are on wing from late July to September.[2]

Larvae feed on Euphorbia species and have also been reared on Funastrum species. They are purple brown or blue gray with a narrow lemon-yellow subdorsal stripe and a wide yellow stripe below the spiracles. There are black pencil tufts and longer white hairs. The head is dark orange with orange hairs. They reach a length of about 22 mm when fully grown. Pupation takes place in a silken cocoon within surface debris.[3]

References
  1. Savela, Markku. "Pygarctia Grote, 1871". Lepidoptera and Some Other Life Forms. Retrieved August 18, 2017.
  2. Moth Photographers Group at Mississippi State University
  3. Bug Guide


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