Hispines of the World

 

Trichispa Chapuis 1875: 331

 

Synonomys

 

Lesageana L. Medvedev 2003a: 152.

Type Species

 

Hispa sericea Guérin-Méneville.

Diagnosis

 

Trichispa can be distinguished by the following combination of characters:

  • lateral margin of pronotum and elytra with long, stiff spines
  • body densely setose
  • antennae with 11-antennomeres, antennomere 1 without spine
  • pronotum with anterior margin without spines, lateral margin with 4 short spines (2+1+1)
  • tarsal claws entirely fused, pointed

Description

 

Body elongate; subparallel; subdepressed; color black with dense gray setae; total length 2.9 to 4.1 mm.

Head: small; convex; vertex with medial sulcus; labrum large, transverse, emarginate; eye large, oblong-oval.

Antenna: reaches beyond base of pronotum; thickening apically; with 11-antennomeres; antennomere 1 subincrassate, without spine; 2 subcylindrical, shorter than 1; 3 to 6 obconic, each shorter than 2; 7 to 10 transverse, each shorter than 6; 11 longer than 10, pointed at apex.

Pronotum: transverse; lateral margin rounded, converging toward apex, with bifurcate spine near anterior angle, a single spine medially, and a single spine after middle (2+1+1); anterior angle rounded; anterior margin curved forward, without spines; posterior angle acute; posterior margin straight; surface punctate with weak impression basally.

Scutellum: small; narrow; rounded apically.

Elytron: lateral margin straight, with scattered minute spines; exterior apical angle rounded, with minute spines; apical margin rounded, smooth; humerus angulate, not produced; with 8 rows of punctures plus scutellar row; disc without spines.

Leg: tarsal claws entirely fused, pointed.

Distribution

 

Angola, Burundi, Cameroon, Congo, Eritrea, Ethiopia, Ivory Coast, Kenya, Madagascar, Mali, Nigeria, Rwanda, Senegal, South Africa, Sudan, Swaziland, Tanzania, Togo, Uganda, Zaire.

World Fauna

 

Described species: 1- Trichispa sericea (Guérin-Méneville) (Staines 2012).

Hosts

 

Chloris, Digitaria, Diplachne, Echinochloa, Eragrostis, Oryza (Poaceae).

References

 

Chapuis, F. 1875. in J. T. Lacordaire, Histoire naturelle des insectes. Genera des Coléoptères, Vol. 11, Famille des Phytophages, 420 pp. Encylopédique de Roret; Paris.

Medvedev, L. N. 2003a. New taxa of Chrysomelidae from Afrotropical and Oriental regions (Insecta, Coleoptera). Spixiana 26(2):149-153.

Staines, C. L. 2012. Tribe Hispini. Catalog of the hispines of the world (Coleoptera: Chrysomelidae: Cassidinae). http://entomology.si.edu/Collections_Coleoptera.html

 

Content last updated April 2014
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