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

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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 Tmesiphorus

Representative Images

Frassable Pselphine - Tmesiphorus carinatus Pselaphine - Tmesiphorus carinatus PSelaphinae - Tmesiphorus carinatus - female PSelaphinae - Tmesiphorus carinatus - female Tmesiphorus - Tmesiphorus costalis - female Ant-loving Beetle - Tmesiphorus costalis - female Atinus sp. ? - Tmesiphorus costalis Atinus sp. ? - Tmesiphorus costalis

Classification

Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga
No Taxon (Series Staphyliniformia)
Superfamily Staphylinoidea
Family Staphylinidae (Rove Beetles)
Subfamily Pselaphinae (Ant-loving Beetles)
Supertribe Pselaphitae
Genus Tmesiphorus

Explanation of Names

Tmesiphorus LeConte 1849

Numbers

2 spp. in our area; large genus(1)

Range

worldwide except the Neotropics; in our area, e. US (to TX) + ON(1)

Habitat

litter, rotten wood, under bark, in caves; casually to strongly associated with termites (Reticulitermes) and ants (Aphaenogaster, Formica)(1)

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.