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Subfamily Hydroporinae

small hairy beetle - Hydroporus Hydroporus columbianus Fall - Hydroporus columbianus - male Hygrotus sayi Uvarus lacustris 9019625 Deroncetes? - Hygrotus nubilus Coelambus nubilus (LeConte) - Hygrotus nubilus Hygrotus nubilus Neoclypeodytes cinctellus? - Neoclypeodytes
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.