Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Clickable Guide

Interactive image map to choose major taxa 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

Calendar

Upcoming Events

National Moth Week was July 19-27, and the Summer 2025 gathering in Louisiana, July 19-27

Photos of insects and people from the 2024 BugGuide gathering in Idaho July 24-27

Moth submissions from National Moth Week 2024

Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

Photos of insects and people from the 2019 gathering in Louisiana, July 25-27


Genus Neoporus

Representative Images

Neoporus sp. - Neoporus clypealis Predacious Diving Beetle - Neoporus undulatus Neoporus dimidiatus (Gemminger and Harold) - Neoporus dimidiatus Diver #22 - Neoporus resembles Neoporus - Neoporus Neoporus arizonicus? - Neoporus arizonicus Neoporus ? - Neoporus clypealis Tribe Hydroporini? - Neoporus vittatipennis

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
Tribe Hydroporini
Subtribe Hydroporina
Genus Neoporus

Synonyms and other taxonomic changes

paraphyletic group in great need of revision

Explanation of Names

Neoporus Guignot 1931

Numbers

39 spp., all in NA(1), arranged into 9 species-groups(2)

Size

2.2‒6.4 mm(3)

Identification

Species identification heavily relies on size difference between protarsal claws

Range

most of NA, the majority of spp in the Appalachian region(3)(4)

Print References

Matta J.F., Peterson D.E. (1985) The larvae of six Nearctic Hydroporus of the subgenus Neoporus (Coleoptera: Dytiscidae). Proc. Acad. Nat. Sci. Philadelphia 137: 53‒60.