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Upcoming Events

Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

National Moth Week was July 23-31, 2022! See moth submissions.

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

Photos of insects and people from the 2019 gathering in Louisiana, July 25-27

Photos of 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

Previous events


Genus Geocoris - Big-eyed Bugs

Black bug - Geocoris atricolor Big-eyed bug, Geocoris sp? - Geocoris pallens Big-eyed bug - Geocoris uliginosus unknown Hemipteran - Geocoris pallens  Big eyed bue Geocoris punctipes? - Geocoris Big-eyed bug - Geocoris Insect - Geocoris pallens Big-eyed Bug  - Geocoris pallens
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)
Genus Geocoris (Big-eyed Bugs)
Explanation of Names
Geocoris Fallén 1814
25 spp. in our area, ~150 total(1)
3-4 mm
habitus images of 7 spp.(2)
most of NA and the world; G. punctipes and G. pallens are the most common species along the cotton belt
On ground between clumps of weeds and sparse grass, especially in sandy places, in woods and near streams(3); in most crop systems in so. US
generalist predators of small arthropods(4)
Life Cycle
Overwinter as adults. Eggs that are laid singly on leaves or stems hatch in approximately one week; a female can lay up to 300 eggs during her life. Five nymphal instars, 4-6 days each.
abundant and important predators in many crops in the US(5), e.g. on cotton
Internet References