Hispines of the World

 

Bicristispa Staines & Zamorano 2012: 2

 

Synonomys

 

None.

Type Species

 

Bicristispa gracilis Staines & Zamorano.

Diagnosis

 

Bicristispa can be distinguished by the following combination of characters:

  • 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
  • the apex of the elytra without a tooth-like projection
  • the elytra with 8 rows of punctures for entire length and 3 regular costae
  • the antennae thickened at apex, not clavate, with 4-antennomeres, last antennomere with an acutely pointed process at apex
  • the prosternum does not expand anteriorly to partly cover the mouth

Description

 

Body elongate, parallel-sided.

Antenna: with 4-antennomeres, apical antennomere with acutely pointed process at apex.

Head: vertex with ridge on each side of medial sulcus.

Pronotum: trapezoidal; lateral margin slightly rounded; basal impression present.

Elytron: broadly enlarged apically; with 8 rows of punctures; with 3 costae, none unite; exterior apical angle with broad flattened tooth.

Venter: anterior margin of pronotum not projecting forward.

Distribution

 

Ecuador.

World Fauna

 

Described species: 1- Bicristispa gracilis Staines & Zamorano.

Hosts

 

Iriartea (Arecaceae).

References

 

Staines, C. L. & L. Zamorano. 2012. Two new genera of hispines (Coleoptera: Chrysomelidae: Cassidinae) from Ecuador. Insecta Mundi 0232:1-6.

 

Key player updated January 2018; content updated April 2014
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