Hispines of the World

 

Anisostena (Apostena) Staines 1993c: 186

 

Synonomys

 

None.

Type Species

 

Anisostena angustata Pic.

Diagnosis

 

Anisostena (Apostena) can be distinguished by the following combination of characters:

  • · body slender, parallel
  • · the lateral margins of the pronotum and the elytra without long, stiff spines
  • · the head without a frontal horn
  • · the pronotum with a seta in each anterior angle, finely margined, with basal impression, without lateral teeth
  • · the apex of the elytra without a tooth-like projection
  • · the elytra with 8 rows of punctures for entire length and 3 regular costae which do not unite near apex, humerus rounded without spine or tooth
  • · the antennae thickened at apex, with 11-antennomeres, antennomeres 7 to 11 wider than preceding
  • · leg with mesotibia strongly curved, with apical tarsomere bearing 2 claws, femora without large tooth
  • · anterior margin of prosternum not expanding toward mouth

Description

 

Body elongate, slender, coarsely punctate.

Head: medial sulcus present; apical 5 antennomeres wider than preceding; frons medially impressed; vertex with medial sulcus present or absent; eye little swollen.

Antenna: with 11‑antennomeres; antennomere 1 subglobose; 2 cylindrical, as wide as 1; 3 to 6 gradually widening; 7 to 11 forming a club, wider than preceding.

Pronotum: basal impression present; tooth present in anterior angle.

Elytron: with 8 rows of punctures plus scutellar row; tricostate; costate elytral intervals 2, 4, and 6 do not unite near apex.

Leg: mesotibia strongly curved; femora without large tooth.

Distribution

 

Argentina, Brazil.

World Fauna

 

Described species: 2 (Staines 2012). Key: Staines 1993c.

Hosts

 

Grasses (Poaeae).

References

 

Staines, C. L. 1993c. A revision of the genus Anisostena Weise (Coleoptera: Chrysomelidae, Hispinae). Part I. Introduction and the subgenera Neostena and Apostena. Insecta Mundi 7:183‑190.

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

 

Key player updated January 2018; content updated April 2014
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