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 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 elytra without long, stiff spines
• head with frontal horn between antennae which is longer than wide
• antennomere 1 without spine-like process
• pronotum pronotum:
  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 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; fronsfrons:
upper anterior portion of head capsule above the clypeus
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