Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
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Family Gyrinidae - Whirligig Beetles

small Whirligig Beetle - Gyrinus small Whirligig Beetle - Gyrinus marginellus - female whirligig beetle - Dineutus species ? - Dineutus Dineutus sublineatus Gyrinidae - Dineutus Whirligig Beetle - Gyrinus analis - male Gyrinidae - Dineutus angustus Вертячнк - Gyrinus
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)
60 spp. in 4 genera in our area(1), spp. in genera worldwide[Cite:]
Neartic Genera:
Spanglerogyrus <3mm (1 sp. South, East)
Gyretes 3-5 mm; pronotal/elytral margins pubescent (4 spp. West, South)
Dineutus 9-15 mm (41 spp. Widespread)
Gyrinus 4-7 mm (14 spp. Widespread)
be sure to give a size!
accessible keys in(2)
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.The Water Beetles of Florida
Epler J.H. 2010. Florida Department of Environmental Protection. Tallahassee. 414 pp.