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Agonoscelis Spinola, 1837

 

Agonoscelis versicoloratus
Isalo, Madagascar, December 2, 2013
Photo by Jean Brodeur

 

Agonoscelis Spinola, 1837: 327-329.

Nevroscia Amyot & Serville, 1843: XXIII, 109. (syn. by Dallas, 1851)

Type Species: Agonoscelis: Agonoscelis indica Spinola, 1837 (= Cimex nubilis Fabricius, 1775), by monotypy. Nevroscia: Pentatoma grata Palisot de Beauvois, 1811 (= Cimex nubilis Fabricius, 1775), by subsequent designation (Kirkaldy, 1903).

Tribal Placement:

 

Included Species:
antennata Distant, 1911
arabica Linnavuori, 1975
bicolor Distant, 1879
campbelli Distant, 1918
cognata Horváth, 1904
erosa erosa (Westwood, 1837)
erosa atropurpurea Schumacher, 1913
femoralis Walker, 1868
haraldi Bergroth, 1908
karachiensis Ahmad, Siddiqui, & Kamaluddin, 2001
longirostris Harold, 1879
marshalli Schouteden, 1912
neavei Distant, 1910
nubilis (Fabricius, 1775)
odendaali Distant, 1910
okuana Linnavuori, 1982
puberula Stål, 1853
rutila (Fabricius, 1775) [image]
sansibarica Harold, 1879
tamilnadensis Mathew, 1977
vanderysti Schouteden, 1916
venosa (Thunberg, 1783)
versicoloratus fallaciosa Linnavuori, 1975
versicoloratus gambiensis (Westwood, 1837)
versicoloratus tibialis Horváth, 1904
versicoloratus versicoloratus (Turton, 1802)

Comments:

 

 

Key to species of Agonoscelis
(modified from Jensen-Haarup, 1920)

1      Body oblong-oval; abdominal venter (except spiracles) without black spots; rostrum reaching beyond apex of abdomen (Angola to Sudan)

longirostris Harold

-       Body more or less broadly oval; abdominal venter with black spots arranged in rows

 2

   

2(1)  Body reddish, spotted with black; rostrum not reaching beyond middle of second abdominal segment (Madagascar)

bicolor Distant

-       Surface of body fuscous or rufous-testaceous, or testaceous spotted with dark areas; rostrum reaching to or near middle of abdominal venter, or even to apex of venter

3

 

 

3(2)   Corium equally punctate, without scattered, distinct, pale callosities

4

-        Corium unequally punctate, with scattered, pale callosities

7

 

 

4(3)   Body narrowly oval; superior surfaces of tibiae black at base

5

-        Body broadly oval; tibiae entirely pale

6
   

5(4)   Rostrum reaching to apex of abdominal venter; head longer than pronotum; second and third segments of antennae subequal in length; dorsum of abdomen reddish testaceous, with base and apex black; 10.5-12 mm in length (Kenya, Tanzania)

cognata Horváth

-        Rostrum not reaching to apex of abdomen; head and pronotum of equal length; second segment of antennae distinctly shorter than third; dorsum of abdomen entirely rufous testaceous; 10-11 mm in length (Ethiopia to South Africa)

venosa (Thunberg)
   

6(4)   Dorsum of abdomen rufous testaceous; apex of scutellum reflexed; head with eyes longer than broad; second segment of antennae distinctly shorter than third; tarsi pale; 9.5 mm in length (Eritrea to Tanzania)

sansibarica Harold

-        Dorsum of abdomen black; apex of scutellum not reflexed; head not longer than broad; second segment of antennae not shorter than third; tarsi more or less blackish or fuscous; 8.5-9 mm in length (Eritrea to South Africa)

puberula Stål

 

 

7(3)   Membrane (with exception of the usual, dark spot at inner angle) hyaline and with veins pale; dorsum of abdomen black; 14-14.5 mm in length (Sierra Leone to South Africa)

erosa (Westwood)

-        Membrane sordid hyaline, with fuscous or brownish veins; dorsum of abdomen entirely or for the most part reddish

8

 

 

8(7)   Tibiae entirely black; 11.5-14 mm

versicoloratus gambiensis (Westwood)

-        Tibieae at least partly pale

9

 

 

9(8)   Dorsum of abdomen entirely reddish; second and third segments of antennae slender; equal in length; head long and strongly tapering anteriorly; head and pronotum strongly pilose; legs entirely pale; 11-12 mm in length (Nigeria to Ethiopia)

haroldi Bergroth

-        Dorsum of abdomen reddish, with base and apex black; second and third segments of antennae thicker, second segment distinctly shorter than third; head shorter, not strongly tapering anteriorly; head and pronotum not strongly pilose; tarsi and often part of tibiae fuscous or blackish; 11-14 mm in length (Eritrea to South Africa)

versicoloratus (Turton)


Key to West African species of Agonoscelis
(modified from Linnavuori, 1982)

1      Dorsum of abdomen totally black; last tergite of male with long median process directed caudad (Sierra Leone to South Africa)

erosa (Westwood)

-       Dorsum of abdomen not totally black; last tergite of male unarmed

 2

   

2(1)  Hair covering of head, pronotum and scutellum very long, erect; hemelytra also with distinct longish semidecumbent hairs; legs usually almost totally pale; dorsum of abdomen generally uniformly red; paramere with subapical tooth on outer margin

haroldi Bergroth

-       Hair covering of head, pronotum and scutellum moderately long, erect, that of hemelytra inconspicuous; dorsum of abdomen bicolored; legs bicolored; apex of paramere T-shaped

3

 

 

3(2)   Length 11-14 mm; head about 1.2 times as long as broad, lateral margins nearly always distinctly insinuated in front of eyes; scutellum 1.3-1.4 times as long as broad, apical part usually narrow ligulate; lateral lobes of pygophore in lateral view narrow, concealed by bluntly produced elevated lateral margin of pygophore basally; paramere with T-shaped apex (both apical angles sharp)

versicoloratus (Turton)

-        Length 10-12.5 mm; head appearing short, 1.0-1.12 times as long as broad, lateral margins not insinuated in front of eyes; scutellum broader, tapering more gradually apicad; lateral lobes of pygophore in lateral view broadly visible; lower part of lateral margin of pygophore forming a ligulate process; paramere with only one of the apical angles sharp

okuana Linnavuori

 


bicolor


versicoloratus

rutila

 

Other Links:

Stink Bugs of Australia

References:

Jensen-Haarup, A. C. 1920. Hemipterological notes and descriptions I. Entomologiske Meddelelsen 13:209-224.

Linnavuori, R. E. 1982. Pentatomidae and Acanthosomatidae (Heteroptera) of Nigeria and the Ivory Coast, with remarks on species of the adjacent countries in West and Central Africa. Acta Zoologica Fennica, no. 163: 176 pp.


 

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David A. Rider
Professor of Entomology
North Dakota State University
202 Hultz Hall
Fargo, ND 58105
E-Mail: David.Rider@ndsu.edu

updated: 26 Feb 2015 

Published by the Department of Entomology 


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