Hispines of the World

 

Ischnispa Gressitt 1963: 614

 

Synonomys

 

None.

Type Species

 

Ischnispa sulcata Gressitt.

Diagnosis

 

Ischnispa can be distinguished by the following combination of characters:

  • lateral margin of pronotum and elytra without long, stiff spines
  • head with frontal horn between antennae which is longer than wide
  • antennomere 1 without spine-like process
  • pronotum with lateral margin sinuate
  • elytra with 6 rows of punctures basally plus scutellar row, 8 rows apically

Description

 

Body elongate, very narrow; subparallel; flattened; color orangey-yellow to black, paler anteriorly; total length 6.7 to 7.6 mm.

Head: elongate; cephalic plate quadrate, medial sulcus present; frontal horn longer than wide, truncate at apex; frons longer than wide, densely setose.

Antenna: reaches to humerus; filiform; with 11-antennomeres; antennomere 1 incrassate; 2 transverse, shorter than 1; 3 cylindrical, longer than 2.

Pronotum: longer than wide, strongly constricted medially; lateral margin sinuate, margined; anterior angle angulate, slightly produced; anterior margin curved; posterior angle acute; posterior margin bisinuate; surface punctate.

Scutellum: cordate.

Elytron: lateral margin straight, smooth; exterior apical angle weakly rounded; apical margin rounded; humerus angulate, not produced; with 6 rows of punctures at base plus scutellar row, 8 rows after middle; tricostate.

Venter: sparsely punctate laterally.

Leg: short; robust.

Distribution

 

New Guinea.

World Fauna

 

Described species: 2 (Staines 2012). Key: Gressitt 1963.

Hosts

 

Unknown.

References

 

Gressitt, J. L. 1963. Hispine beetles (Chrysomelidae) from New Guinea. Pacific Insects 5:591‑714.

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

 

Content last updated April 2014
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