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Subfamily Colymbetinae

aquatic larva Predaceous Diving Beetle - Colymbetes densus Neoscutopterus angustus (LeConte) - Neoscutopterus angustus - male 9019634 Rhantus - Rhantus binotatus Predaceous Diving Beetle - Rhantus binotatus Meridiorhantus calidus Colymbetes sculptilis - Colymbetes Rhantus gutticollis
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Adephaga
Family Dytiscidae (Predaceous Diving Beetles)
Subfamily Colymbetinae
Explanation of Names
Colymbetinae Erichson 1837
Numbers
15 spp. in 6 genera in our area, ~140 spp. in 11 genera total(1)(2)
Size
5-20 mm
Identification
Adults:
small to large
eyes notched at antennal bases
scutellum visible
pro- and mesotarsi 5-segmented
Key to genera in (2)
Works Cited
1.A World Catalogue of the Family Dytiscidae, or the Diving Beetles (Coleoptera, Adephaga)
Nilsson and Hajek. 2019. Distributed by authors.
2.Generic reclassification of species formerly included in Rhantus Dejean
Balke, Hajek and Hendrich. 2017. Zootaxa 4258(1) 91-100.