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

TaxonomyBrowse
Info
ImagesLinksBooksData

Family Geocoridae - Big-eyed Bugs

Big-eyed Bug - Geocoris punctipes Big-eyed Bug - Geocoris uliginosus Geocoridae 6-30-11 01a - Geocoris pallens Big-eyed bug - Geocoris uliginosus Bug - Geocoris bullatus Isthmocoris piceus? - Isthmocoris piceus Geocoris sp ? - Geocoris Small black bug - Geocoris uliginosus
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 extralimital subfamilies) 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both papers out-of-date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)