Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes


Family Largidae - Bordered Plant Bugs

Big ol' bug - Largus californicus thought it was rhopalidae... turns out it's largus - Largus BG2338 E6537a - Largus Stinkbug - Largus bug - Largus bipustulatus Black bug with orange border - Largus Largus? - Largus Bordered Plant Bug - Largus californicus
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)
21 spp. in 7 genera in our area (all in the Larginae)(2)(3): Largus (12 spp.), Arhaphe (3 spp.), Stenomacra (2 spp.), and 4 genera represented by a single sp. each; 106 spp. in 13 genera of 2 subfamilies worldwide(4)
Mostly stout-bodied, with no ocelli, and four-segmented rostrum(3); distinctive wing venation; Arhaphini are ant-like
s. US; 3 genera confined to the southwest(1)
ground-dwelling or associated with the vegetative parts of forbs, shrubs and trees.(5)
All species are thought to be phytophagous, feeding on either seeds or plant juices(5)
Mimicry and aposematism are common among this family(5)
See Also
Pyrrhocoridae - Red Bugs
Print References
Bliven B.P. (1973) A third paper on Hemiptera associated with the Pyrrhocoridae. Occid. Entomol. 1: 123–133.
Halstead T.F. (1972) Notes on the Synonymy in Largus Hahn with a key to United States species. Pan-Pac. Entomol. 48(4): 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.Biodiversity of the Heteroptera
Henry T.J. 2009. In: Foottit R.G., Adler P.H., eds. Insect biodiversity: Science and society. Oxford: Wiley-Blackwell: 223-263.
5.Zoological catalogue of Australia: Hemiptera: Heteroptera (Pentatomomorpha)
Cassis G., Gross G.F. 2002. CSIRO Publishing, 751 pp.
6.Australian Faunal Directory