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 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; mouthparts not projecting forward
• 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; 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; vertexvertex:
occupies the area behind and between the eyes
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