Hispines of the World

 

Teretrispa Gressitt 1960b: 116

 

Synonomys

 

None.

Type Species

 

Teretrispa gahniae Gressitt.

Diagnosis

 

Teretrispa 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
  • antennomere 1 without spine-like process
  • pronotum with tubercle on anterior ⅓ of lateral margin
  • elytra without scutellar row, interspace 2 strongly costate
  • prosternum with anterior margin not projecting forward

Description

 

Body elongate; subparallel; subconvex; color brown with paler stripes; total length 8.6 to 10.0 mm.

Head: narrowing anteriorly; vertex with medial sulcus; frontal horn ½ length antennomere 1; clypeus as wide as long.

Antenna: reaches to humerus; thickening apically; with 11-antennomeres; antennomere 1 subincrassate; 2 transverse, short; 3 longest.

Pronotum: obconic; lateral margin sinuate, with tubercle on anterior ⅓; anterior angle obliquely rounded; anterior margin curved; posterior angle acute; posterior margin bisinuate; surface deeply punctate.

Scutellum: cordate.

Elytron: lateral margin slightly expanding beyond middle; exterior apical angle rounded; apical margin subtruncate; humerus angulate, not produced; with 8 rows of punctures on basal ⅓, 7 at apical ½, expanding to 9 apically; tricostate, interspace 2 most raised.

Leg: short; robust.

Distribution

 

New Caledonia.

World Fauna

 

Described species: 2 (Staines 2012). Key: Gressitt 1960b.

Hosts

 

Gahnia, Scleria (Cyperaceae); Orchidaceae.

References

 

Gressitt, J. L. 1960b. Hispine beetles from New Caledonia (Chrysomelidae). Pacific Insects 2:101‑123.

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

 

Key player updated January 2018; content updated April 2014
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