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Species Murgantia histrionica - Harlequin Bug

Halloween Bug - Murgantia histrionica Harlequin Bug for California in January - Murgantia histrionica Harlequin Bug - Murgantia histrionica Stink Bug - Murgantia histrionica Harlequin Bug - Murgantia histrionica - male - female Harlequin Bug - Murgantia histrionica some kind of lady beetle? - Murgantia histrionica Harlequin Bug -  - Murgantia histrionica
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 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)
Synonyms and other taxonomic changes
Murgantia histrionica (Hahn)
Orig. Comb: Strachia histrionica Hahn 1834
Explanation of Names
histrio - Latin for 'an anchor' (2)
Numbers
4 spp. n. of Mex. (3)
Size
7.5-11.5 mm (4)(1)
Identification
Brightly patterned, distinctive; the amount of black varies considerably.

Range
CA-FL-NY-SD / Mex. (3)
Native to Mexico and C. America, invasive in our area (first detected in TX, 1864) and now widely established across the US (ME-SD to FL-CA) bur rarely found north of PA-CO (4)(3); the northern limits of the established range fluctuate markedly depending on winter severity; migrates northward during spring and summer (3)
Season
mostly: Apr-Oct (BG data)
Food
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 (5)
Life Cycle
Eggs look like white barrels with two black hoops around; adults overwinter. The life cycle takes 50-80 days. (5)
Print References
Paddock, F.B. 1915. The harlequin cabbage-bug. Texas Agricultural Experiment Station, Bulletin no. 179: 9 pp.
Paddock, F.B. 1918. Studies on the harlequin bug. Texas Agricultural Experiment Station, Bulletin no. 227: 65 pp.
Walsh, B.J. 1866. The Texas cabbage bug. Pract. Entomol. 1: 110.
Internet References
Fact sheets by M.A. Knox (5), 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.Dictionary of Word Roots and Combining Forms
Donald J. Borror. 1960. Mayfield Publishing Company.
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.The Pentatomoidea (Hemiptera) of Northeastern North America
J.E. McPherson. 1982. Southern Illinois University Press.
5.U. of Florida and Dep. of Agriculture Website