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Discussion of 2018 gathering

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


Family Gyrinidae - Whirligig Beetles

Whirligig Beetle - Dineutus assimilis Gyrinidae Gyrinidae - Dineutus 5014106 Dineutis - Dineutus Water Beetle - Gyrinus Gyrinus minutus - male Dineutus productus - male Unidentified Whirligig Beetle - Dineutus
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Adephaga (Ground and Water Beetles)
Family Gyrinidae (Whirligig Beetles)
Explanation of Names
Gyrinidae Latreille 1810
60 spp. in 4 genera in our area, ~900 spp. in 14 genera worldwide arranged into 3 subfamilies (all but 2 spp. are in the Gyrininae)(1)(2)(3)
Neartic Genera:
Spanglerogyrus <3mm (1 sp. South, East)
Gyretes 3-5 mm; pronotal/elytral margins pubescent (4 spp. West, South)
Dineutus 9-15 mm (14 spp. Widespread)
Gyrinus 4-7 mm (>40 spp. Widespread)
be sure to give a size!
accessible keys in(4); new key to genera in(5)
Works Cited
1.American Beetles, Volume I: Archostemata, Myxophaga, Adephaga, Polyphaga: Staphyliniformia
Arnett, R.H., Jr., and M. C. Thomas. (eds.). 2000. CRC Press LLC, Boca Raton, FL.
2.Order Coleoptera Linnaeus, 1758. In: Zhang Z.-Q. (ed.) Animal biodiversity: An outline of higher-level classification...
Ślipiński S.A., Leschen R.A.B., Lawrence J.F. 2011. Zootaxa 3148: 203–208.
3.Phylogeny and classification of whirligig beetles (Coleoptera: Gyrinidae): relaxed-clock model outperforms parsimony...
Miller K.B., Bergsten J. 2012. Systematic Entomology 37: 706–746.
4.The Water Beetles of Florida
Epler J.H. 2010. Florida Department of Environmental Protection. Tallahassee. 414 pp.
5.The New World whirligig beetles of the genus Dineutus Macleay, 1825 (Coleoptera, Gyrinidae, Gyrininae, Dineutini)
Gustafson GT, Miller KB. 2015. Zookeys; 476: 1-135.