Genus Stenocoris - Rice Bugs

Classification · Explanation of Names · Numbers · Identification · Range · Remarks · Works Cited

Stenocoris sp.? Covington Louisiana - Stenocoris

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 Coreoidea (Leatherbugs)

Family Alydidae (Broad-headed Bugs)

Subfamily Micrelytrinae

Genus Stenocoris (Rice Bugs)

Explanation of Names

Stenocoris Burmeister 1839

Numbers

2 spp. of the subg. Oryzocoris in our area (filiformis and furcifera); S. (S.) tipuloides reported from VA‒FL & TX(1); >20 spp. in 4 subgenera total(2)

Identification

Photo-based identification barely possible. The key below has been designed by D.R. Swanson based on info provided in Ahmad (1965).

1 Posterior angles of pygophore acutely pointed; claspers crossed over pygophore; posterior margin of female seventh abdoinal sternum always with a short median split (subg. Oryzocoris)...2

Posterior angles of pygophore not acutely pointed; claspers crossed in a socket; posterior margin of female seventh abdominal sternum always medially biolobed, never with a split; [venter pale ochraceous]...S. (Stenocoris) tipuloides

2 Median longitudinal red line on ventral abdominal segments present, sometimes faint; pygophore with posterior processes rounded and pointing posteriorly; basal portions of eighth paratergites largely visible...S. (O.) furcifera

Median longitudinal red line absent; pygophore with posterior processes pointed and facing each other; basal portions of eighth paratergites largely concealed by first pair of gonocoxae...S. (O.) filiformis

Range

se US to Argentina(2)

Remarks

our only representative of the tropical tribe Leptocorisini, that contains a total of 46 spp. in 5 genera(2)

Works Cited

1.	How to Know the True Bugs Slater, James A., and Baranowski, Richard M. 1978. Wm. C. Brown Company.

2.	Livermore L.J.R., Lemaître V.A., Dolling W.R., Webb M.D. Coreoidea species file online. Version 5.0

Contributed by Tony DiTerlizzi on 17 December, 2004 - 8:01am
Additional contributions by Beatriz Moisset, Robin McLeod, Mike Quinn, v belov
Last updated 3 November, 2023 - 8:04pm

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