Stagonomus Gorski, 1852
Pentatoma
(Stagonomus) Gorski,
1852: 81.
Onylia
Mulsant & Rey, 1866: 168, 185. (objective junior synonym)
Type Species:
Stagonomus:
Cimex bipunctatus Fabricius, 1781 (= Pentatoma amoenus Brulle, 1832),
by monotypy. Onylia: Cimex bipunctatus Fabricius, 1781 (=
Pentatoma amoenus Brulle, 1832), by monotypy.
Stagonomus subgenus Dalleria
Mulsant & Rey, 1866
Dalleria Mulsant & Rey, 1866: 168, 180.
Type
Species: Pentatoma pusillum
Herrich-Schäffer, 1833, by subsequent designation (Kirkaldy, 1909).
Diagnosis:
Tribal Placement:
Included Species:
Subgenus Dalleria
bipunctatus (Linnaeus, 1758)
pusillus (Herrich-Schäffer, 1833) [junior
synonym]
binotatus (Hahn, 1835) [junior synonym]
consimilis (Costa, 1847) [junior synonym]
gibbus (Fieber, 1861) [junior synonym]
plataspis (Horváth, 1883) [junior synonym]
devius Seidenstücker, 1965
grenieri (Signoret, 1865)
Subgenus Stagonomus
amoenus (Brullé, 1832)
bipunctatus (Fabricius, 1781) [primary junior
homonym]
italicus (Gmelin, 1790) [primary junior homonym]
Key to Species
(modified from Wagner, 1964 and Derzhansky & Péricart, 2005)
1
Last two antennal segments black; abdomen of female
extending apically as a cone shape, to a point which protrudes beyond the pygidial plate;
length 6-8 mm. (subgenus Stagonomus) |
amoenus (Brullé) |
-
Last two antennal segments pale yellow or reddish; abdomen of female not
cone-shaped apically,
not exceeding pygidial plate; length not exceeding 6.3 mm. (subgenus
Dalleria) |
2 |
|
|
2(1)
Connexivum with each segment marked with black along both anterior and
posterior margins; basal angles of scutellum, each with a large whitish
callous spot; length 4.5-6.2 mm |
bipunctatus (Linnaeus) |
-
Connexivum completely pale yellow; basal angles of scutellum lacking
whitish callous spots, or if spots present, they are very small |
3 |
|
|
3(2)
Inner lateral margins of pygophore with a small black tooth on each side;
length 4.5-5.3 mm |
devius Seidenstücker |
-
Inner lateral margins of pygophore lacking black teeth on each side;
length 5.0-6.3 mm. |
grenieri (Signoret) |
Comments:
David A. Rider
Professor of Entomology
North Dakota State University
202 Hultz Hall
Fargo, ND 58105
E-Mail:
David.Rider@ndsu.edu
Published by the
Department of
Entomology
Prospective students may schedule a visit by calling 1-800-488-NDSU.
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