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

Discussion, insects and people from the 2018 BugGuide 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

Photos from the 2010 Workshop in Grinnell, Iowa

Photos from the 2009 gathering in Washington


Species Murgantia histrionica - Harlequin Bug

Harlequin Bug - Murgantia histrionica A Harlequin Bug For SC - Murgantia histrionica Harlequin Bug - Murgantia histrionica The Harlequin Bug (Murgantia histrionica) - Mating Pair - Murgantia histrionica - male - female Bug on Rocky Mountain Beeplant - Murgantia histrionica Harlequin Bug nymph - Murgantia histrionica Murgantia histrionica Bug Nymph - Murgantia histrionica
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 Pentatomoidea
Family Pentatomidae (Stink Bugs)
Subfamily Pentatominae
Tribe Strachiini
Genus Murgantia
Species histrionica (Harlequin Bug)
Other Common Names
Cabbage Harlequin, Calico Bug, Fire Bug, Terrapin Back(1)
Explanation of Names
Murgantia histrionica (Hahn 1834)
7.5-11.5 mm(1)(2)
Brightly patterned, distinctive, coloration variable

Native to Mesoamerica, invasive in our area: e US to CA (ME-FL to SD-CA) but rarely found in the north, the northern limits of the range fluctuate markedly depending on winter severity; migrates northward during spring and summer(2)(3)
hosts: primarily Brassicaceae (horseradish, cabbage, cauliflower, collards, mustard, Brussels sprouts, turnip, kohlrabi, radish); may also attack tomato, potato, eggplant, okra, bean, asparagus, beet, weeds, fruit trees and field crops(4)
Life Cycle
Eggs look like white barrels with two black hoops around; adults overwinter. The life cycle takes 50-80 days.(4)
first detected in our area: TX 1864
Internet References
Fact sheets: Knox (2015)(4) | anon. (NCSU)
Works Cited
1.California plant pest & disease report, Vol. 25 (Jan 2008 through Dec 2009)
Gaimari S., O’Donnell M., eds. 2011. California Department of Food & Agriculture, Plant Pest Diagnostics Branch. 108 pp.
2.The Pentatomoidea (Hemiptera) of Northeastern North America
J.E. McPherson. 1982. Southern Illinois University 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.University of Florida: Featured Creatures