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 pronotumpronotum:
  occupies all of dorsal part of the prothorax; in anterior angles or posterior angles there may be a small tubercle or pore with a seta
  and the elytra without long, stiff spines
• the head without a frontal horn
• the pronotumpronotum:
  occupies all of dorsal part of the prothorax; in anterior angles or posterior angles there may be a small tubercle or pore with a seta
  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 prosternumprosternum:
  contains two anterior coxal cavities
  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: vertexvertex:
occupies the area behind and between the eyes
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 pronotumpronotum:
occupies all of dorsal part of the prothorax; in anterior angles or posterior angles there may be a small tubercle or pore with a seta
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.