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Fall Fund Drive


Genus Euschistus

Holcostethus sp ? - Euschistus servus - male Stink bug nymph? What genus and species? - Euschistus Stink bug? - Euschistus ictericus I believe this to be one of the Euschistus species, but which one? - Euschistus Euschistus Stink Bug - Euschistus variolarius - male Euschistus servus ? - Euschistus servus One Spotted? - Euschistus variolarius
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 Carpocorini
Genus Euschistus
Explanation of Names
Euschistus Dallas 1851
20 spp. in our area, all in the nominate subgenus(1), >70 spp. in 4 subgenera total(2)
8-15 mm
One thing that all the Euschistus spp. have in common, besides being brown, is a vague, barely visible dark patch in the center of the scutellum and a smaller matching spot on each upper wing half. These look more like smudges than markings, and are more visible in certain light conditions and at certain angles.(3)
Rear tibia grooved above:

Guide to c. TX spp. in(4)
New World, by far most diverse in the Neotropics(5)
Woodlands, cultivated land, orchards
plant juices; may be destructive to crops, esp. fruits
occasional predation observed (Culliney 1985)
"Perhaps the most common of all stink bugs [at least in Texas] are in the genus Euschistus"(3)
See Also
Menecles, Podisus [superficially similar, note different structure of beak(6)]

Podisus spp. legs lack spots(3)
Print References
Rolston, L.H. 1974. Revision of the genus Euschistus in Middle America (Hemiptera, Pentatomidae, Pentatomini). Entomologica Americana 48: 1-102.
Works Cited
1.American Insects: A Handbook of the Insects of America North of Mexico
Ross H. Arnett. 2000. CRC Press.
2.Rider D. (2006-2013) Pentatomoidea home page
3.Austin bug collection
4.A visual guide for identification of Euschistus spp. (Hemiptera: Pentatomidae) in central Texas
JF Esquivel, RM Anderson, and RE Droleskey. 2009. Southwestern Entomologist 34:485-488. .
5.Pentatomidae (Heteroptera) of Honduras: a checklist with description of a new ochlerine genus
Arismendi N., Thomas D.B. 2003. Insecta Mundi 17: 219-236.
6.How to Know the True Bugs
Slater, James A., and Baranowski, Richard M. 1978. Wm. C. Brown Company.