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For the United States & Canada
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Species Brachycarenus tigrinus

ID for possible Rhopalid in CA? - Brachycarenus tigrinus ID for (another) probable Rhopalid in CA? - Brachycarenus tigrinus Rhopalinae? - Brachycarenus tigrinus Brachycarenus tigrinus Brachycarenus tigrinus? - Brachycarenus tigrinus Arhyssus? - Brachycarenus tigrinus Scentless Plant Bug - Brachycarenus tigrinus Brachycarenus tigrinus. ? - Brachycarenus tigrinus
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)
Subfamily Rhopalinae
Tribe Rhopalini
Genus Brachycarenus
Species tigrinus (Brachycarenus tigrinus)
Synonyms and other taxonomic changes
Rhopalus tigrinus
Explanation of Names
Brachycarenus tigrinus (Schilling 1829)
♂ 5.9-6.6 mm, ♀ 6.1-7.1 mm(1)
Metapleura divided, their tips visible from above. Abdominal pattern characteristic: Connexivia pale, remainder of abdomen black, with segment 7 with a pair of apical and basal pale spots, segment 6 basal spots only, segments 4+5 with common median band. Head and pronotum spotted with black.
Diagnostic features summarized in(1)
native to the Palaearctic, adventive in our area; established in 5 eastern and many western states(2)(3), and in BC(1), with the combined range from the Pacific east to NE-TX (MT image(4) may represent new state record)
polyphagous, but preferred hosts are Brassicaceae (incl. occasional native spp.)(2)
earliest record in our area: NJ 1977(2)
Works Cited
1.Two alien Heteroptera (Hemiptera) new to Canada
Scudder G.G.E. 2007. J. Ent. Soc. B.C. 104: 81–84.
2.First records of a Eurasian scentless plant bug, Rhopalus tigrinus (Hemiptera: Rhopalidae), from New Mexico, Texas, and Utah
Wheeler A.G., Jr. 2004. The Southwestern Naturalist 49: 406-408.
3.Additional provincial and state records for Heteroptera (Hemiptera) in Canada and the United States
Scudder G.G.E. 2012. J. Ent. Soc. Brit. Columbia 109: 55−69.
4.spotted scentless plant bug