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

Calendar
Upcoming Events

Information, insects and people from the 2019 BugGuide Gathering in Louisiana, July 25-27

Discussion, insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa


TaxonomyBrowse
Info
ImagesLinksBooksData

Family Geocoridae - Big-eyed Bugs

Geocorid - Geocoris bullatus Geocoris Geocoridae - Geocoris Geocoris punctipes? - Geocoris punctipes Geocoris? 2 - Geocoris nymph - Geocoris Isthmocoris piceus Big-eyed Bug - Geocoris floridanus
Classification
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 Geocoridae (Big-eyed Bugs)
Synonyms and other taxonomic changes
formerly treated under Lygaeidae
Explanation of Names
Geocoridae Baerensprung 1860
Numbers
~30 spp. in 2 genera in our area (all in Geocorinae), ~300 spp. in 35 genera of 5 subfamilies worldwide; Geocoris, with ~150 spp., is by far the largest genus(1)
Size
~3-5 mm
Identification
Habitus distinctive, with eyes prominent, partially wrapping around the front angles of the pronotum. Dorsum conspicuously punctate. Claval commisure very short or absent.
Range
worldwide and throughout NA(1)
Food
Geocorinae are predatory, the rest (2 small subfamilies, not in NA) are assumed to be phytophagous, probably granivorous(2)
Print References
both papers out-of-date
Barber H.G. (1935) New Geocoris from the United States, with key to species (Lygaeidae: Geocorinae). J. N.Y. Ent. Soc. 43: 131–137. (Full text)
McAtee W.L. (1914) Key to the nearctic genera and species of Geocorinae (Heteroptera: Lygaeidae). Proc. Biol. Soc. Wash. 27: 125–136. (Full text)