Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Upcoming Events

Discussion, insects and people from the 2018 BugGuide Gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa

Photos from the 2010 Workshop in Grinnell, Iowa

Photos from the 2009 gathering in Washington


Subfamily Donaciinae - Aquatic Leaf Beetles

Stylish aquatic leaf beetle - Neohaemonia Golden Beetle - Plateumaris Aquatic Leaf Beetle - Plateumaris nitida - female Donacia or Plateumaris? - Plateumaris - female Leaf Beetle? - Neohaemonia nigricornis Unknown Beetle - Neohaemonia 6016330 Donacia - Donacia 6016330 Donacia - Donacia
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 Donaciinae (Aquatic Leaf Beetles)
Explanation of Names
Donaciinae Kirby 1837
55 spp. in 5 genera in our area, ~170 spp. total(1)(2)
5.6-13.5 mm
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
mostly holarctic (incl. much of NA), with very few spp. to the south(1)
larvae aquatic, attached to host stems/roots(1); adults on vegetation bordering standing water (ponds, marshes, lakes)
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.