Hispines of the World

 

Agonita (Lachnispa) Gestro 1897b: 64

 

Synonomys

 

None.

Type Species

 

Lachnispa bicolor Gestro.

Diagnosis

 

Agonita (Lachnispa) can be distinguished by the following combination of characters:

  • lateral margin of pronotum and elytra without long, stiff spines
  • body broad
  • head without frontal horn between antennae, clypeus well-developed
  • pronotum with seta in each posterior angle, narrower than base of elytra, strongly convex, with 2 deep impressions basally
  • elytra without scutellar row of punctures, parallel-sided, tricostate, humerus angulate, with long white setae
  • tarsi with 2 claws

Description

 

Subparallel; elongate; subconvex.

Head: wide; vertex impunctate, slightly depressed; eye convex, prominent; clypeus well-developed.

Antenna: cylindrical; thickening to apex; reaches to humerus; antennomeres 1 and 2 subequal in length, 1 thicker than 2; 3 slightly longer than 2; 4 subequal in length to 3; 5 to 11 decreasing in length; 11 rounded at apex.

Pronotum: transverse; lateral margin rounded, emarginate near anterior angle; anterior angle with small blunt tooth; anterior margin straight; posterior angle acute; posterior angle bisinuate; convex; with 2 deep impressions basally.

Scutellum: broad; rounded.

Elytron: with fine white setae; lateral margin slightly expanding apically; apex rounded; humerus angulate; with 8 regular rows of punctures, additional rows present between costae; tricostate, costa 2 interrupted.

Venter: prosternum punctate; meso- and metasterna sparsely punctate; abdominal sterna sparsely punctate, each puncture with pale seta.

Leg: short; robust; tarsi with 2 claws.

Distribution

 

Indonesia, Malaysia.

World Fauna

 

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

Hosts

 

Metroxylon (Arecaceae).

References

 

Gestro, R. 1897b. Materiali per lo studio delle Hispidae. Annali del Museo Civico di Storia Naturale di Genova (2)18(38):37-138.

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

 

Content last updated April 2014
idtools.org