Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes



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
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
15 spp. in 6 genera in our area, ~140 spp. in 11 genera total(1)(2)
5-20 mm
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.