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Genus Gyrinus

small Whirligig Beetle - Gyrinus Gyrinus pectoralis LeConte - Gyrinus pectoralis - male Whirligig Beetle - Gyrinus Whirligig Beetle - Gyrinus parcus Gyrinid - Gyrinus Gyrinus sp - Gyrinus small whirligig beetle – genus Gyrinus? - Gyrinus Female, Gyrinus plicifer? - Gyrinus plicifer
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Adephaga
Family Gyrinidae (Whirligig Beetles)
Subfamily Gyrininae
Genus Gyrinus
Explanation of Names
Gyrinus Geoffroy 1762
>40 spp. in our area (30 in Canada, 28 in Michigan), close to 200 total(1)(2)(3)(4)
see (5)
worldwide and throughout NA (more diverse in the north); most spp. in the northern hemisphere(1)(2)
Our only representative of the cosmopolitan tribe Gyrinini Latreille 1810 that contains 3 genera(2)
Spin crazily over the water surface without running into each other. They have a receptor on a modified 2nd antennal segment so they are aware of the location and direction of the others by the vibrating waves rippling over the surface.(6)
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.Phylogeny and classification of whirligig beetles (Coleoptera: Gyrinidae): relaxed-clock model outperforms parsimony...
Miller K.B., Bergsten J. 2012. Systematic Entomology 37: 706–746.
3.Checklist of beetles (Coleoptera) of Canada and Alaska. Second edition
Bousquet Y., Bouchard P., Davies A.E., Sikes D.S. 2013. ZooKeys 360: 1–402.
4.Bright E. (2002-2011) Aquatic Insects of Michigan
5.Classification, distribution, and phylogeny of North American (north of Mexico) species of Gyrinus Müller (Coleoptera, Gyrinida
Sule Oygur & G.W. Wolfe. 1991. Bulletin of the American Museum of Natural History.
6.Insect Behavior
Robert W. Matthews and Janice R. Matthews. 1988. Robert E. Krieger Publishing Co.