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Species Scirtes orbiculatus

Marsh beetles - Scirtes orbiculatus - male - female Coleoptera - Marsh Beetles Scirtes orbiculatus - Scirtes orbiculatus 1125C02 - Scirtes orbiculatus Unknown beetle - Scirtes orbiculatus   - Scirtes orbiculatus Scirtes orbiculatus (Fabricius) - Scirtes orbiculatus Scirtes orbiculatus ?? beetle - Scirtes orbiculatus
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga
No Taxon (Series Elateriformia)
Superfamily Scirtoidea
Family Scirtidae (Marsh Beetles)
Genus Scirtes
Species orbiculatus (Scirtes orbiculatus)
Explanation of Names
Scirtes orbiculatus (Fabricius 1801)
orbiculatus = 'roundish'
2.3-3.2 mm(1)
Color variable, usually bicolored with central spot on discal portion of elytra, but with at least outer margin of pronotum always white or yellowish(1)

Elytra usually dark and share a central light spot, but may be completely dark; pronotum always pale laterally but may be entirely yellow.(2)(1). If pronotum entirely dark, then it is likely S. goorichi.
e NA (NS-FL to ON-MN-TX) - Map (3)(4)(5)
mostly: May-Sept (5)
Internet References
Works Cited
1.The Water Beetles of Florida
Epler J.H. 2010. Florida Department of Environmental Protection. Tallahassee. 414 pp.
2.Water Beetles of South Carolina
Janet Ciegler. 2003. Clemson University.
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. A distributional checklist of the beetles (Coleoptera) of Florida.
Peck & Thomas. 1998. Florida Department of Agriculture and Consumer Services, Gainesville. 180 pp.
5.Global Biodiversity Information Facility (GBIF)