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Subfamily Donaciinae - Aquatic Leaf Beetles

Donacia sp. - Donacia - male - female Aquatic Leaf Beetle - Plateumaris Aquatic Leaf Beetle ? - Plateumaris germari Unknown Beetle - Plateumaris Aquatic Leaf Beetle - Plateumaris shoemakeri - male subgenus Donaciomima?  - Donacia Lillypad Beetle - Donacia Aquatic Leaf Beetle - Donacia
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 (Longhorn and Leaf Beetles)
Family Chrysomelidae (Leaf Beetles)
Subfamily Donaciinae (Aquatic Leaf Beetles)
Explanation of Names
Donaciinae Kirby 1837
Numbers
55 spp. in 5 genera in our area, ~170 spp. total(1)(2)
Size
5.6-13.5 mm
Identification
head prominent, slightly narrowed behind the eyes; pronotum rectangular-shaped and narrower than elytra; elytra elongate, often metallic and sculptured with rows of small holes or impressions; legs long, hind femora strongly enlarged and usually toothed below
Range
mostly holarctic (incl. much of NA), with very few spp. to the south(1)
Habitat
larvae aquatic, attached to host stems/roots(1); adults on vegetation bordering standing water (ponds, marshes, lakes)
Food
larvae tap the submerged stems of host plants for food and oxygen
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.
2.Chrysomelid males with enlarged mandibles: three new species and a review of occurrence in the family (Coleoptera:Chrysomelidae)
Reid C.A.M., Beatson M. 2013. Zootaxa 3619: 79–100.
3.The leaf beetles of Alabama
Edward Balsbaugh and Kirby Hays. 1972. Agricultural Experiment Station, Auburn University.