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


Species Thermonectus intermedius

Representative Images

Thermonectus intermedius - male Thermonectus intermedius - male Thermonectus intermedius - male Thermonectus intermedius Male, Thermonectus intermedius? - Thermonectus intermedius - male Male, Thermonectus intermedius? - Thermonectus intermedius - male Female, Thermonectus intermedius? - Thermonectus intermedius - female Female, Thermonectus intermedius? - Thermonectus intermedius - female

Classification

Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Adephaga
Family Dytiscidae (Predaceous Diving Beetles)
Subfamily Dytiscinae
Tribe Aciliini
Genus Thermonectus
Species intermedius (Thermonectus intermedius)

Synonyms and other taxonomic changes

Orig. Comb: Thermonectus basillaris var. intermedius Crotch, 1873

Explanation of Names

Thermonectus intermedius Crotch 1873

Identification

Similar to T. basilaris but lacks the subbasal yellow band on elytra. The anterior and posterior black blotches on the pronotum are partly to almost completely fused.

Range

w. US (OR-CA-w.TX-KS) - Map (1)(2)

Remarks

Type Locality: California

Print References

Crotch, G.R. (1873). Revision of the Dytiscidae of the United States. Transactions of the American Entomological Society 4: 383-424.