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Genus Phyllotreta

Chrysomelidae? - Phyllotreta robusta Phyllotreta chalybeipennis Phyllotreta striolata? - Phyllotreta striolata Beetles mining (and wandering externally on) Lepidium oblongum - Phyllotreta flea beetle - Phyllotreta Systena sp.? - Phyllotreta Phyllotreta Alticini swept from Parry pinyon - Phyllotreta
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga
No Taxon (Series Cucujiformia)
Superfamily Chrysomeloidea (Longhorn and Leaf Beetles)
Family Chrysomelidae (Leaf Beetles)
Subfamily Galerucinae (Skeletonizing Leaf Beetles and Flea Beetles)
Tribe Alticini (Flea Beetles)
Genus Phyllotreta
Explanation of Names
Phyllotreta Chevrolat in Dejean 1836
Numbers
~50 spp. in our area, ~150 total(1)
Identification
Nearctic species partly revised in (2).

"The immaculate species need revision, most are poorly known and not recognizable using Chittenden's [1927] treatment" (1)
Range
worldwide (esp. in north temperate areas) & across NA(1)
Food
hosts in our area: Brassicaceae, Capparaceae(1)
Remarks
Brassicaceae produce a volatile hydrolysis products (isothiocyanates) that serves as an attractant.(3)
Works Cited
1.American Beetles, Volume II: Polyphaga: Scarabaeoidea through Curculionoidea
Arnett, R.H., Jr., M. C. Thomas, P. E. Skelley and J. H. Frank. (eds.). 2002. CRC Press LLC, Boca Raton, FL.
2.Revision of the genus Phyllotreta Chevrolat of America north of Mexico. Part I. The maculate species
Smith, Eric H. 1985. Field Museum of Natural History.
3.Insect Ecology: Behavior, Populations and Communities
P. W. Price, R. F. Denno, M. D. Eubanks. 2011. Cambridge University Press.