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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Beetles (Coleoptera) » Polyphaga » Series Elateriformia » Scirtoidea » Marsh Beetles (Scirtidae) » Scirtes » Scirtes orbiculatus

Species Scirtes orbiculatus

Classification · Explanation of Names · Size · Identification · Range · Season · Internet References · Works Cited
Scirtes orbiculatus Scirtidae, dorsal - Scirtes orbiculatus Scirtes orbiculatus (Fabricius) - Scirtes orbiculatus Scirtes orbiculatus (Fabricius) - Scirtes orbiculatus marsh beetle - Scirtes orbiculatus - Scirtes orbiculatus Unknown Water Beetle - Scirtes orbiculatus Scirtes orbiculatus without center red spot? - Scirtes orbiculatus
Classification
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'
Size
2.3-3.2 mm(1)
Identification
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.
Range
e NA (NS-FL to ON-MN-TX) - Map (3)(4)(5)
Season
mostly: May-Sept (5)
Internet References
Type - Scirtes orbiculatus var. ruficollis - MCZ, Harvard
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)
Contributed by Lynette Elliott on 24 October, 2006 - 9:15am
Additional contributions by Mike Quinn, v belov, mpintar
Last updated 1 June, 2022 - 11:31am

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