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Species Cnemodus mavortius

Bug - Cnemodus mavortius dirt-colored seed bug - Cnemodus mavortius Cnemodus mavortius Cnemodus mavortius (Say) - Cnemodus mavortius bug found under a piece of wood - Cnemodus mavortius - female Rhyparochromidae sp, exuvia - Cnemodus mavortius Rhyparochromidae sp, 2nd day full adult, moult 08.15.2020 - Cnemodus mavortius Cnemodus mavortius
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hemiptera (True Bugs, Cicadas, Hoppers, Aphids and Allies)
Suborder Heteroptera (True Bugs)
Infraorder Pentatomomorpha
Superfamily Lygaeoidea
Family Rhyparochromidae (Dirt-colored Seed Bugs)
Subfamily Rhyparochrominae
Tribe Myodochini
Genus Cnemodus
Species mavortius (Cnemodus mavortius)
Synonyms and other taxonomic changes
Cnemodus brevipennis Herrich-Schaeffer 1850
Thaumastopis alacris Walker 1872
Cnemodus inflatus Van Duzee [based on males of mavortius (Slater & Hoffman 1994)]
Explanation of Names
Cnemodus mavortius (Say 1831)
mavortius, from Mavors, an archaic form of Mars, a Roman god of war and agriculture
8-9 mm
Front lobe of pronotum much longer than hind lobe. Lacks thick hair on legs, unlike C. hirtipes.

Active runner on open ground; often brachypterous (1).
e. US (ME-FL to CO-TX)(2)
Usually in areas of bare, gravelly soil(3)
Sweet (1964) found it be parasitized by a tachinid (Catharosia sp.)
Print References
Slater J.A., Hoffman R.L. (1994) The taxonomic status of Cnemodus inflatus Van Duzee (Hemiptera: Lygaeidae). J. N.Y. Entomol. Soc. 102: 117–119. (JSTOR)
Sweet M.H. (1964) The biology and ecology of the Rhyparochrominae of New England (Heteroptera: Lygaeidae) Pt. I. Entomol. Americana 43: 1-123.; Pt. II. Entomol. Americana 44: 1-201.
Works Cited
1.How to Know the True Bugs
Slater, James A., and Baranowski, Richard M. 1978. Wm. C. Brown Company.
2.Catalog of the Heteroptera, or True Bugs of Canada and the Continental United States
Thomas J. Henry, Richard C. Froeschner. 1988. Brill Academic Publishers.
3.The Lygaeidae of Florida (Hemiptera: Lygaeidae).
Slater & Baranowski. 1990. Florida Dept. of Ag. and Consumer Services, Gainesville. xv + 211 pp.