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

Upcoming Events

National Moth Week photos of insects and people. Here's how to add your images.

Photos of 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


Species Chariesterus antennator - Euphorbia Bug

Euphorbia Bug 01 - Chariesterus antennator Big-antenna nymph - Chariesterus antennator Coreid - Chariesterus antennator Eggs and young - Chariesterus antennator Adult with Young in background - Chariesterus antennator Euphorbia Bug - Chariesterus antennator predatory bug? - Chariesterus antennator Euphorbia Bug - Chariesterus antennator
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 Coreoidea (Leatherbugs)
Family Coreidae (Leaf-footed Bugs)
Subfamily Coreinae
Tribe Chariesterini
Genus Chariesterus
Species antennator (Euphorbia Bug)
Other Common Names
Flat-horned Coreid
Explanation of Names
Chariesterus antennator (Fabricius 1803)
antennator is a reference to the modified antennae
11-14 mm(1)
Readily recognizable by the flattened, dilated, and usually black antennomere 3(2)
e US (NY-IL-CO to FL-TX)(3) + so. ON(4), more common in se. US(5); introduced to China, probably through ballast(6)
characteristic bug of the fore-dunes(7); may be common in open fields(2)
hosts: Euphorbia spp., particularly E. corollata(2)
Works Cited
1.The genus Chariesterus de Laporte (Heteroptera, Coreidae)
Ruckes H. 1955. American Museum Novitates 1721: 1-16.
2.Coreidae of Florida (Hemiptera, Heteroptera).
Baranowski, R.M. and J.A. Slater. 1986. Arthropods of Florida and Neighboring Land Areas. Vol. 12, no. 630. viii + 82 pp.
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.Insects of Ojibway Prairie, a southern Ontario tallgrass prairie
Paiero S.M., Marshall S.A., Pratt P.D., Buck M. 2010. Shorthouse J.D., Floate K.D. (Eds.) Arthropods of Canadian Grasslands, Vol. 1: 199-225.
5.How to Know the True Bugs
Slater, James A., and Baranowski, Richard M. 1978. Wm. C. Brown Company.
6.Livermore L.J.R., LemaƮtre V.A., Dolling W.R., Webb M.D. Coreoidea species file online. Version 5.0
7.A synopsis of the Coreoidea (Heteroptera) of Michigan
Swanson D.R. 2011. The Great Lakes Entomologist 44: 139-162.