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Genus Brochymena - Rough Stink Bugs

Dark Gray Shield Bug - Brochymena sulcata Which Hemiptera?  - Brochymena arborea Utah-Pentatomid - Brochymena sulcata Shield bug - Brochymena affinis Brochymena? - Brochymena sulcata B. sulcata? - Brochymena sulcata Female, Brochymena - Brochymena dilata - female Brochymena male, sulcata? - Brochymena sulcata - male
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 Pentatomoidea
Family Pentatomidae (Stink Bugs)
Subfamily Pentatominae
Tribe Halyini
Genus Brochymena (Rough Stink Bugs)
Other Common Names
Tree Stink Bugs
Synonyms and other taxonomic changes
Parabrochymena Larivière 1992 (see discussion here)
Explanation of Names
Brochymena Amyot & Serville 1843
Greek brochos (βρο'χος) 'net' + umen (υμη'ν) 'membrane'
17 spp. in our area (+a couple with questionable old records), 25 total(1)(2)
not yet in the guide:
Brochymena apiculata Van Duzee 1923 "sw US," no state records and no US specimens in TAMUIC
Brochymena haedula Stål 1862 recorded in AZ & TX but no US specimens in TAMUIC
10―22 mm(1)
key to spp. of the arborea-group in (2)
key to the remaining spp. in (1)
NA south to Panama, most diverse in so. US(3)
on trees and shrubs(4)
year round in the south; data for each species in(1)
Phytophagous (some reports of predation)(4)
While there are limited reports of predation, there are many sources that mistake this for a primarily predatory group (5). Unlike members of the predatory stink bug subfamily, Asopinae, Brochymena are not obligate predators and probably get most of their nourishment from plants. At least some of these reports appear to be the result of misidentification of Apateticus lineolatus.
Works Cited
1.Description of Parabrochymena, new genus, and redefinition and review of Brochymena Amyot and Audinet-Serville...
Larivière M.-C. 1992. Mem. Ent. Soc. Canada 163: 75 pp.
2.Parabrochymena Larivière (Hemiptera: Pentatomidae): Systematics, natural history, chorological affinities...
Larivière M.-C. 1994. Can. Entomol. 126: 1193-1250.
3.The Heteroptera (Hemiptera) of North Dakota I: Pentatomomorpha: Pentatomoidea
Rider D.A. 2012. Great Lakes Entomologist 45: 312-380.
4.The Pentatomoidea (Hemiptera) of Northeastern North America
J.E. McPherson. 1982. Southern Illinois University Press.
5.Hidden Company that Trees Keep: Life from Treetops to Root Tips
James B. Nardi. 2023. Princeton University Press.