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For Insects, Spiders & Their Kin
For the United States & Canada
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Family Rhopalidae - Scentless Plant Bugs

Western Box Elder Bug (Boisea rubrolineata) - Boisea rubrolineata Niesthrea louisianica Boxelder? - Boisea rubrolineata Red Eyes - Boisea trivittata Harmostes angustatus perchance? - Harmostes angustatus unknown Hemipteran - Brachycarenus tigrinus 0124C04 - Jadera - male Arhyssus? - Arhyssus
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 Coreoidea (Leatherbugs)
Family Rhopalidae (Scentless Plant Bugs)
Synonyms and other taxonomic changes
Explanation of Names
common name is based on the greatly reduced osteolar scent-gland opening(1)
2 subfamilies, with 37 spp. in 10 genera in our area(2)(3) and >200 spp. in ~20 genera worldwide(1)
Overview of our fauna (* –taxa not yet in the guide; classification follows(4)):
Family Rhopalidae
Subfamily Rhopalinae
4-15+ mm(1)
No scent glands; many veins on front wing membrane(2)
Resemble small Coreidae. Ocelli distinctly raised.
Key to eastern spp. in(5)
Key to Florida species and most NA genera in(6)
much of the world, incl. our area(7)
seeds of herbaceous plants, but some are arboreal(8)(7)
See Also
some members of Coreidae and Lygaeoidea look similar, e.g.:
Works Cited
1.Biodiversity of the Heteroptera
Henry T.J. 2009. In: Foottit R.G., Adler P.H., eds. Insect biodiversity: Science and society. Oxford: Wiley-Blackwell: 223-263.
2.American Insects: A Handbook of the Insects of America North of Mexico
Ross H. Arnett. 2000. CRC Press.
3.The first Chorosoma (Hemiptera: Rhopalidae: Rhopalinae: Chorosomatini) from the New World: Chorosoma josifovi nov. sp.
M.D. Schwartz, C.W. Schaefer, J.D. Lattin. 2008. pp. 339-348 in: S. Grozeva & N. Simov (Eds) Advances in Heteroptera research... Pensoft Publishers, Sofia–Moscow.
4.Livermore L.J.R., Lemaître V.A., Dolling W.R., Webb M.D. Coreoidea species file online. Version 5.0
5.Rhopalus (Brachycarenus) tigrinus, recently established in North America, with a key to the genera and species of Rhopalidae...
Hoebeke E.R., Wheeler A.G., Jr. 1982. Proc. Entomol. Soc. Washington 84: 213-224.
6.The Rhopalidae of Florida, by J. Steill & J. Meyer
7.Bugs of the World
George C. McGavin. 1999. Blandford Press.
8.Borror and DeLong's Introduction to the Study of Insects
Norman F. Johnson, Charles A. Triplehorn. 2004. Brooks Cole.