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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

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Species Myrmecosaurus ferrugineus

Myrmecophilous staph! - Myrmecosaurus ferrugineus Myrmecophilous staph! - Myrmecosaurus ferrugineus Myrmecophilous staph! - Myrmecosaurus ferrugineus Myrmecophilous staph! - Myrmecosaurus ferrugineus Myrmecophilous staph! - Myrmecosaurus ferrugineus Myrmecophilous staph 2 - Myrmecosaurus ferrugineus Myrmecophilous staph 2 - Myrmecosaurus ferrugineus Myrmecophilous staph 2 - Myrmecosaurus ferrugineus
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga (Water, Rove, Scarab, Long-horned, Leaf and Snout Beetles)
No Taxon (Series Staphyliniformia)
Superfamily Staphylinoidea (Rove, Carrion and Fungus Beetles)
Family Staphylinidae (Rove Beetles)
Subfamily Paederinae
Tribe Lathrobiini
Subtribe Echiasterina
Genus Myrmecosaurus
Species ferrugineus (Myrmecosaurus ferrugineus)
Explanation of Names
Latin ferrugineus 'rusty'
Range
native to S. America, first found in the US in the late 1960s (GA, MS) (Collins & Markin 1971), spreading in se. US(1) (NC-FL-TX, per Dr Thayer's comment)
Habitat
Associated with Solenopsis spp. (Formicidae)(1)
Internet References
Collins H.L., Markin G.P. (1971) Inquilines and other arthropods collected from nests of the imported fire ant, Solenopsis saevissima richteri. Annals of the Entomological Society of America 64(6): 1376-1380 (Abstract)
MacGown J. (2006) A Collection of Myrmecosaurus ferrugineus Bruch (Staphylinidae: Paederinae) from a nest of Solenopsis invicta X richteri (Hymenoptera: Formicidae). Mississippi Marginalia Insecta 1(3): 1-3 (Full text)
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.