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Family Largidae - Bordered Plant Bugs

Assassin Bug? - Largus Largus succinctus Lousy Largus Nymphs - Late Instar - Largus californicus Largus Nymph? with parasites? - Largus Largus succinctus Stenomacra marginella nymph? Largus bugs mating - Largus - male - female Arhaphe arguta 5th instar? - Arhaphe
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 Pyrrhocoroidea
Family Largidae (Bordered Plant Bugs)
Other Common Names
Largid Bugs(1); Red Bugs and Ant Mimic Bugs(2)
Synonyms and other taxonomic changes
family in need of revision (papers by Bliven and Halstead caused confusion)(3)
~20 spp. in 3 genera* in our area, ~190 spp. in 15 genera of 3 tribes in the New World (all in the Larginae)(4)(3), and ~200 spp. in 2 subfamilies worldwide
*the species listed under Pararhaphe in (3) is now treated in Arhaphe(5)
worldwide, up to 55 mm
Mostly stout-bodied, with no ocelli, and four-segmented rostrum(3); distinctive wing venation; Arhaphini are ant-like
much of the world, mostly tropical; the nominate subfamily is restricted to the New World, another one, to the Old World(4); in our area, widespread in the US but by far more diverse in the south, esp. southwest(3)
ground-dwelling or associated with the vegetative parts of forbs, shrubs and trees(6)
seeds or plant juices(6)
Mimicry and aposematism are common among this family(6)
Print References
Halstead T.F. (1972) Notes on the synonymy in Largus Hahn with a key to United States species. Pan-Pac. Entomol. 48: 246-248.
Internet References
Works Cited
1.How to Know the True Bugs
Slater, James A., and Baranowski, Richard M. 1978. Wm. C. Brown Company.
2.American Insects: A Handbook of the Insects of America North of Mexico
Ross H. Arnett. 2000. CRC Press.
3.Catalog of the Heteroptera, or True Bugs of Canada and the Continental United States
Thomas J. Henry, Richard C. Froeschner. 1988. Brill Academic Publishers.
4.Revisión del género Largus (Hemiptera: Heteroptera: Largidae) para México
Carlos Rosas, Harry Brailovsky. 2016. Revista Mexicana de Biodiversidad 87, 347-375.
5.Redescription of Pararhaphe and review of Arhaphe (Hemiptera: Heteroptera: Largidae) of America north of Mexico
Jaroslav L.Stehlik, Petr Kment. 2011. Zootaxa 3058: 35-54.
6.Zoological catalogue of Australia: Hemiptera: Heteroptera (Pentatomomorpha)
Cassis G., Gross G.F. 2002. CSIRO Publishing, 751 pp.
7.Australian Faunal Directory