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Subfamily Hydroporinae

Lesser water beetle2 - Hygrotus sellatus Predacious Diving Beetle - Neoporus Diver #27 - Uvarus Interesting.. - Leconectes striatellus 3028431 Dytiscid - Neoporus Derovatellus floridanus micro beetle - Celina hubbelli Hydroporus
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Adephaga
Family Dytiscidae (Predaceous Diving Beetles)
Subfamily Hydroporinae
Synonyms and other taxonomic changes
see (1)
Explanation of Names
Hydroporinae Aubé 1836
Numbers
~315 spp. in ~40 genera of 9 tribes in our area, >2300 spp. in ~135 genera of 10 tribes total(2)
Size
1‒7.2 mm
Identification
Adults:
no visible scutellum
pro- and mesotarsi 'pseudotetramerous' (segment 4 is hidden beneath lobed segment 3, so only 4 segments visible)
metatarsal claws subequal in length
Larvae:
clypeus with a 'frontal horn'
urogomphi 2-segmented
Range
worldwide
Works Cited
1.Phylogeny of the Hydroporinae and classification of the genus Peschetius Guignot, 1942 (Coleoptera: Dytiscidae)
Miller K.B., Wolfe G.W., Biström O. 2006. Insect Syst. Evol. 37: 257-279.
2.A World Catalogue of the Family Dytiscidae, or the Diving Beetles (Coleoptera, Adephaga)
Nilsson and Hajek. 2019. Distributed by authors.