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Upcoming Events

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

National Moth Week was July 23-31, 2022! See moth submissions.

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

Photos of insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Previous events


Genus Neobidessus

Liodessus? - Neobidessus pullus small dytiscid - Neobidessus Neobidessus pulloides Young - Neobidessus pulloides Very small Dytiscid of sorts... - Neobidessus Dytiscid 6 - Neobidessus Dytiscid 6 - Neobidessus Coelambus? - Neobidessus Neobidessus pullus ssp. pullus - Neobidessus pullus
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Adephaga (Ground and Water Beetles)
Family Dytiscidae (Predaceous Diving Beetles)
Subfamily Hydroporinae
Tribe Bidessini
Genus Neobidessus
2 spp. in our area, 8 total(1)
1.8-2.2 mm(1)
C. & N. America; our spp.: N. pullus so. US, N. pulloides TX(1)
mostly standing water(1)
Abundant at lights(1)
Print References
Young, Frank N. 1977. Predaceous Water Beetles of the genus Neobidessus Young in the Americas North of Colombia. Occasional Papers of the Museum of Zoology University of Michigan (PDF at U. Michigan)
Works Cited
1.American Beetles, Volume I: Archostemata, Myxophaga, Adephaga, Polyphaga: Staphyliniformia
Arnett, R.H., Jr., and M. C. Thomas. (eds.). 2000. CRC Press LLC, Boca Raton, FL.