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Species Galerucella nymphaeae - Water-lily Beetle

Beetle ID - Galerucella nymphaeae Coleoptera - Galerucella nymphaeae Water-lily Beetle - Galerucella nymphaeae Steigerwald Lake Beetle 6 - Galerucella nymphaeae Yellowish beetle - Galerucella nymphaeae Beetle - Galerucella nymphaeae Beetle  - Galerucella nymphaeae water-lily beetle - Galerucella nymphaeae
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)
No Taxon (Series Cucujiformia)
Superfamily Chrysomeloidea (Long-horned and Leaf Beetles)
Family Chrysomelidae (Leaf Beetles)
Subfamily Galerucinae (Skeletonizing Leaf Beetles and Flea Beetles)
Tribe Galerucini
No Taxon (Section Atysites)
Genus Galerucella (Water-lily Beetle)
Species nymphaeae (Water-lily Beetle)
Explanation of Names
Galerucella nymphaeae Linnaeus, 1758
Range
throughout NA (CA-FL-NF-AK), Palearctic (1)
Food
principal foodplants are water-lilies (Nuphar spp.) and smartweeds (Polygonum spp.); other hosts include Water Chestnut (Trapa natans) and Water Shield (Brasenia schreberi); beetles have been raised in the lab on Purple Loosestrife (Lythrum salicaria)
Internet References
common name reference and effect on foodplant (Jari Kouki, U. of Helsinki, Finland)
Water Chestnut as host (Jianqing Ding and Bernd Blossey, National Scientific Research Centre, France)
live larva image plus leaf damage and common name reference (Hippocampus, Germany)
Works Cited
1.Catalog of Leaf Beetles of America North of Mexico
Ed Riley, Shawn Clark, and Terry Seeno. 2003. Coleopterists Society.