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Thoreyella Spinola, 1850
Thoreyella Spinola, 1850: 34.
Uditta Stål, 1860: 23-24. (syn. by Stål, 1872)
Type species: Thoreyella: Thoreyella brasiliensis Spinola, 1850, by monotypy. Uditta: Uditta impicta StDl, 1860 (= Thoreyella brasiliensis Spinola, 1850), by monotypy.
Tribal placement: Rider (1994) included Thoreyella in his generic conspectus of the Procleticini.
Included species:
brasiliensis Spinola, 1850
cornuta Berg, 1883
taurus Jensen-Haarup, 1931
trinotata Berg, 1878
Comments: This
genus was revised by Rolston (1984).
Key to species of Thoreyella (from Rolston, 1984)
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1 Each spiracle slightly elevated on conspicuous callus; anterolateral margins of pronotum usually sparsely denticulate |
brasiliensis Spinola |
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– Spiracles neither elevated nor on callus; anterolateral margins of pronotum without clearly defined denticles |
2 |
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2(1) Width and length of scutellum subequal; lateral margins of juga subparallel before apex of head; head markedly darker than pronotal disk |
3 |
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– Scutellum about one-tenth longer than wide at base; lateral margins of juga tapering toward apex of head, nowhere subparallel; head nearly concolorous with pronotal disk |
trinotata Berg |
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3(2) Humeri spinose, turned little or not at all cephalad |
cornuta Berg |
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– Humeri angulate, directed obliquely cephalad |
taurus Jensen-Haarup |
Reference:
Rolston, L. H. 1984. A review of the genus Thoreyella Spinola (Hemiptera: Pentatomidae). Proceedings of the Entomological Society of Washington 86(4): 826-834.
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David A. Rider
Associate Professor of Entomology
North Dakota State University
202 Hultz Hall
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E-Mail: David.Rider@ndsu.nodak.edu
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