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Genus Galerucella - Water-lily Beetle

Galerucella nymphaeae? - Galerucella nymphaeae Steigerwald Lake Beetle 6 - Galerucella nymphaeae Yellowish beetle - Galerucella nymphaeae Beetle - Galerucella nymphaeae Larva on Nuphar - Galerucella nymphaeae Beetle on Nymphaea - Galerucella nymphaeae Galerucella sp. beetle - Galerucella nymphaeae 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)
Explanation of Names
Galerucella Crotch 1873
Numbers
a single (holarctic) species in our area, ? spp. total(1)
Size
4-6mm
Identification
Color varies from yellowish-brown to dark-brown for adults and yellow to black for pupae.
Range
worldwide except the Neotropics(1)
Food
hosts of the G. nymphaeae-complex include Nuphar spp., Nymphaea spp., Trapa spp., Potentilla palustris, Rumex hydrolapathum, Polygonum amphibium
Internet References
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.