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Species Anasa tristis - Squash Bug

What's Going on Here? - Anasa tristis Three Legged Bug - Anasa tristis Squash Bug - Anasa tristis True Bug? - Anasa tristis Squash Bug - Anasa tristis Squash Bug - Anasa tristis What is it . . and is there a relationship? - Anasa tristis Anasa tristis
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 Hypselonotini
Genus Anasa (Squash Bugs)
Species tristis (Squash Bug)
Explanation of Names
Anasa tristis (De Geer 1773)
tristis 'sad'
adult 14-16 mm
Adults mottled dark gray to blackish above except pale medial line on head, pale lateral edges of pronotum, and lateral edges of abdomen with equally-spaced pale patches.
Canada (NB-ON; BC) to Brazil(1)(2)
Hosts: Cucurbitaceae; prefers pumpkin and squash
Life Cycle
Eggs laid in clusters of ~20, usually on the undersides of leaves. Completes life cycle in 6-8 weeks; one generation in the north, two or more in the south.
Eggs, nymphs, adult:
the most injurious coreid in FL(3)
causes wilting and blackening of leaves; can transmit cucurbit yellow vine disease
Trichopoda pennipes is a notable parasite (lays eggs on adults)
Internet References
Works Cited
1.Checklist of the Hemiptera of Canada and Alaska
Maw, H.E.L., R.G. Foottit, K.G.A. Hamilton and G.G.E. Scudder. 2000. NRC Research Press.
2.Catalog of the Coreidae, or Leaf-Footed Bugs, of the New World
Richard Packauskas. 2010. Fort Hays State University.
3.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.
4.University of Florida: Featured Creatures
5.Utah State University Cooperative Extension Publications