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Species Acyrthosiphon pisum - Pea Aphid

Aphid - Acyrthosiphon pisum Aphid - Acyrthosiphon pisum Adult non-alate pea aphids - Acyrthosiphon pisum Wingless female Pea aphid? - Acyrthosiphon pisum - female Aphid? - Acyrthosiphon pisum Odd Aphid - Acyrthosiphon pisum Aphidinae? - Acyrthosiphon pisum Green Aphid - Acyrthosiphon pisum
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hemiptera (True Bugs, Cicadas, Hoppers, Aphids and Allies)
Suborder Sternorrhyncha (Plant-parasitic Hemipterans)
Superfamily Aphidoidea
Family Aphididae (Aphids)
Subfamily Aphidinae
Tribe Macrosiphini
Genus Acyrthosiphon
Species pisum (Pea Aphid)
Remarks
The most common pest aphid on legumes like alfalfa in northwestern N. America. It causes hundreds of millions of dollars of crop damage a year.
Non-native, first reported in 1877, from the Palearctic region.
Print References
Foottit, R. G. et al.: Adventive Aphids (Hemiptera: Aphididae) of America North of Mexico. Proc. Entomol. Soc. Wash. 108 (3), 2006, pp 583-610.