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Genus Oncopeltus

Probably large milkweed bug nymphs? - Oncopeltus fasciatus help id - Oncopeltus fasciatus Mating Six-spotted Milkweed Bugs - Oncopeltus sexmaculatus - male - female Oncopeltus fasciatus Oncopeltus fasciatus Oncopeltus fasciatus nectaring on passiflora - Oncopeltus fasciatus Oncopeltus fasciatus - Large Milkweed Bug - nymphs - Oncopeltus fasciatus Oncopeltus sexmaculatus
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 Lygaeidae (Seed Bugs)
Subfamily Lygaeinae
Genus Oncopeltus
Explanation of Names
Oncopeltus Stål 1868
2 subgenera, with 7-8 spp. in our area(1)(2), 19 spp. in the New World(3), and 42 spp. total(2)
8-16 mm(3)
pantropical genus, ranging into US (O. fasciatus also into ON); in our area much more diverse in the deep south(3)
They feed primarily on species of milkweeds.
more communal than Lygaeus, particularly in the nymphal stage
Works Cited
1.American Insects: A Handbook of the Insects of America North of Mexico
Ross H. Arnett. 2000. CRC Press.
2.The Lygaeidae of Florida (Hemiptera: Lygaeidae).
Slater & Baranowski. 1990. Florida Dept. of Ag. and Consumer Services, Gainesville. xv + 211 pp.
3.A Genus Level Revision of Western Hemisphere Lygaeinae (Heteroptera: Lygaeidae) with Keys to Species
Alex Slater. 1992. University of Kansas Science Bulletin.