Hispines of the World

 

Nympharescus Weise 1905f: 320

 

Synonomys

 

None.

Type Species

 

Arescus separatus Baly.

Diagnosis

 

Nympharescus can be distinguished by the following combination of characters:

  • the lateral margins of the pronotum and the elytra without long, stiff spines
  • the head with a frontal horn which is truncate at apex
  • antennomere 1 with a spine-like process near apex which is as long as 2
  • prosternum flat between mesocoxae
  • pronotum with a seta in all angles
  • mesocoxae separated by less than the diameter of a coxa

Description

 

Body elongate, parallel; color usually yellow or red with variable black markings, marking may be absent in some specimens.

Head: frontal horn truncate at apex; vertex convex between eyes, impunctate.

Antenna: with 11-antennomeres; antennomere 1 with ventral process as long as 2; 3 longest.

Pronotum: quadrate, flattened; parallel-sided; seta present in all four angles; basal margin bisinuate; tooth present in anterior angle; posterior angle acute.

Scutellum: elongate, triangular.

Elytron: lateral margin with smooth raised edge or rim; tooth present in sutural angle; with 10 rows of punctures; no costae.

Venter: mesocoxae almost touching; prosternal process flat between mesocoxae.

Leg: exterior apical edge of tibia expanded backwards.

Distribution

 

Colombia, Ecuador, and Peru.

World Fauna

 

Described species: 7 (Staines 2012). Key to species: none.

Hosts

 

Heliconia (Heliconiaceae).

References

 

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

Weise, J. 1905. Bemerkungen über Hispinen. Deutsche Entomologische Zeitschrift 1905:317‑320.

 

Content last updated April 2014
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