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7/20/17                                     Dogbane Beetle      

Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga (Water, Rove, Scarab, Long-horned, Leaf and Snout Beetles)
No Taxon (Series Cucujiformia)
Superfamily Chrysomeloidea (Long-horned and Leaf Beetles)
Family Chrysomelidae (Leaf Beetles)
Subfamily Eumolpinae
Tribe Eumolpini
Genus Chrysochus
Species auratus (Dogbane Beetle)
Explanation of Names
Chrysochus auratus (Fabricius 1775)
auratus = ‘golden’
Numbers
8-11 mm
Identification
Oblong shape. Shiny, iridescent.
Range
transcontinental (ME-WA to GA-AZ)(1)
Food
hosts: Apocynaceae, incl. Apocynum cannabinum and Apocynum androsaemifolium; also reported in asso. w/ common milkweed (Asclepias syriaca, Asclepiadaceae) (2)
Life Cycle
They mate and lay eggs through the summer. They lay eggs on leaves and stems of host plants and nearby vegetation in masses of egg capsules
larvae are obligate root feeders; adults eat leaves of larval host

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