Hispines of the World

 

Euxema Baly 1885: 3

 

Synonomys

 

None.

Type Species

 

Euxema insignis Baly.

Diagnosis

 

Euxema 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; mouthparts not projecting forward
  • the pronotum with a seta in each anterior angle; nearly as wide as the base of the elytra
  • the apex of the elytra without a tooth-like projection
  • the elytra without costae, parallel-sided but slightly expanding apically
  • the antennae with 11-antennomeres, filiform

Description

 

Body attenuate, moderately convex, gradually widening behind.

Head: medial sulcus absent; vertex impunctate.

Antenna: with 11-antennomeres, filiform, barely 1/2 body length; antennomere 1 thicker than others; 2 short; 3 longest, 3x length of 2; 4 to 11 uniform in width and length.

Pronotum: transverse, slightly narrowed behind, highly convex; apical margin prolonged into lobe which projects over head; margined laterally; basal impression present; lateral impression present in posterior angle; impunctate except for impressions which have large, dense punctures.

Scutellum: pentagonal.

Elytron: convex; margined laterally; lateral margin smooth; apical margin finely dentate; with 10 rows of lightly impressed punctures.

Distribution

 

Panamá, Venezuela.

World Fauna

 

Described species: 2 (Staines 2012). Key to species: none.

Hosts

 

Unknown.

References

 

Baly, J. S. 1885. Hispidae. in F. D. Godman & O. Salvin (eds.). Biologia Centrali‑Americana, Zoology, Insecta, Coleoptera, Phytophaga. 6(2):1‑124. London.

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

 

last updated April 2014
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