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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Butterflies and Moths (Lepidoptera) » Geometrid and Swallowtail Moths (Geometroidea) » Geometrid Moths (Geometridae) » Ennominae » Azelinini » Pero » Western Pero - Hodges#6761 (Pero occidentalis)

Species Pero occidentalis - Western Pero - Hodges#6761

Classification · Hodges Number · Synonyms and other taxonomic changes · Size · Identification · Range · Food · See Also · Print References · Internet References · Works Cited
Pero of some kind? - Pero occidentalis Pero sp. larva 4 days later - Pero occidentalis Pero sp. larva 9 days later - Pero occidentalis Pero occidentalis Pero occidentalis - male Western Pero - Pero occidentalis Westeern Pero - Pero occidentalis - male Pero occidentalis
Show images of: caterpillars · adults · both
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Lepidoptera (Butterflies and Moths)
Superfamily Geometroidea (Geometrid and Swallowtail Moths)
Family Geometridae (Geometrid Moths)
Subfamily Ennominae
Tribe Azelinini
Genus Pero
Species occidentalis (Western Pero - Hodges#6761)
Hodges Number
6761
Synonyms and other taxonomic changes
Pero occidentalis (Hulst, 1896)
Marmarea occidentalis Hulst, 1896
Pero occidentalis packardi Cassino & Swett, 1922 (1)
Pero occidentalis canaster Rindge, 1955 (1)
Pero occidentalis helvus Rindge, 1955 (1)
Pero occidentalis peplarioides Hulst, 1898 (1)
* phylogentic sequence #199375
Size
Wingspan: ♂ 35-40 mm, ♀ 33-37 mm. (1)
Identification
Larva - light grey and brown, mimic twigs in posture and coloration.

Adult - highly variable. See Rindge in Print References for description of this species and several subspecies. (1)
Range
Ranges widely in the west. From British Columbia and Alberta, south to Colorado and New Mexico, west to the Pacific Coast. (1), (2)
Food
McGuffin (1987) lists lodgepole pine (Pinus contorta) along with deciduous shrubs Menziesia glabella, Sheperdia canadensis, and Ceanothus.
See Also
Pero honestaria
Pero behrensaria
Print References
Grossbeck, J.A. 1911. Studies of the North American geometrid moths of the genus Pero. Proc. USNM 38: 370-371
Powell, J.A. & P.A. Opler 2009. Moths of Western North America. University of California Press. pl.29.18m, p.214 (3)
Rindge, F.H. 1955. A revision of some species of Pero from the western United States (Lepidoptera, Geometridae). American Museum Novitates 1750: 1-33 (PDF) (1)
Internet References
E.H. Strickland Entomological Museum - species page
Moth Photographers Group - species page
Works Cited
1.A revision of some species of Pero from the western United States (Lepidoptera, Geometridae).
Frederick. H. Rindge. 1955. American Museum Novitates 1750: 1-33.
2.North American Moth Photographers Group
3.Moths of Western North America
Powell and Opler. 2009. UC Press.
Contributed by Tim Loh on 26 March, 2009 - 1:17pm
Additional contributions by Randy Hardy
Last updated 6 May, 2013 - 1:01pm

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