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Species Leptinotarsa juncta - False Potato Beetle

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Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga (Water, Rove, Scarab, Long-horned, Leaf and Snout Beetles)
Superfamily Chrysomeloidea (Long-horned and Leaf Beetles)
Family Chrysomelidae (Leaf Beetles)
Subfamily Chrysomelinae
Tribe Chrysomelini
Subtribe Doryphorina
Genus Leptinotarsa
Species juncta (False Potato Beetle)
Synonyms and other taxonomic changes
Orig. Comb: Chrysomela juncta Germar 1824
Identification
Similar to Colorado Potato Beetle (1), but elytral punctures are regular instead of irregular. Also, a brown stripe at the center of each elytron (wing cover) and on the inner edge of each elytron (where they meet down the middle) distinguish this species.


Larvae are hump-backed and have one row of black spots down each side.


Pupa:
Range
TX-FL-NY-KS (2),(BG data)
Season
Primarily: May-Aug (BG data)
Food
According to the University of Florida, the False Potato Beetle "is found primarily on the common noxious weed, horse-nettle, Solanum carolinense. It also feeds on other solanaceous plants, such as species of ground cherry or husk tomato, Physalis spp., and common nightshade, Solanum dulcamara."
See Also
Colorado Potato Beetle, Leptinotarsa decemlineata (1) has ten black stripes on a pale yellow background and no brown stripes. Larvae of Colorado Potato Beetle have two rows of black spots on each side.
Print References
White, p. 294 (3)
Internet References
University of Kentucky has remarks on distinguishing this from Colorado Potato Beetle.
Works Cited
1.Colorado Potato Beetle
2.Catalog of Leaf Beetles of America North of Mexico
Ed Riley, Shawn Clark, and Terry Seeno. 2003. Coleopterists Society.
3.Peterson Field Guides: Beetles
Richard E. White. 1983. Houghton Mifflin Company.