Hispines of the World

 

Drescheria Weise 1922b: 60

 

Synonomys

 

None.

Type Species

 

Drescheria reinecki Weise.

Diagnosis

 

Drescheria can be distinguished by the following combination of characters:

  • lateral margin of pronotum and elytra without long, stiff spines
  • head with frontal horn which is as long as wide between antennae
  • antennae thickening apically, antennomere 1 without spine-like process
  • pronotum with lateral margin straight for basal ½, expanding and rounding anteriorly
  • elytra with 8 rows of punctures plus scutellar row, tricostate

Description

 

Body elongate; subparallel; subdepressed; color black; total length 6.0 to 8.0 mm.

Head: wider than long; cephalic plate subquadrate, strongly angulate anteriorly, medial sulcus present, rugose-punctate; frontal horn subquadrate, as long as wide, concave; clypeus large, rectangular; eye large, convex, rounded.

Antenna: short; as long as head and pronotum combined; thickening apically; with 11-antennomeres; antennomere 1 thick, subclavate; 2 ½ length of 1, thick; 3 narrower than 2, longer; 4 to 5 subequal in length to 3; 7 to 11 thicker than 1 or 2; 11 pointed at apex.

Pronotum: subquadrate; lateral margin straight for basal ½, expanding and rounding anteriorly; anterior angle with small tooth; anterior margin curved; posterior angle acute; posterior margin bisinuate; convex; surface rugose-punctate, medial line impunctate.

Scutellum: subtriangular.

Elytron: lateral margin straight, smooth; apical margin subtruncate; sutural angle with small tooth; humerus angulate, not produced; with 8 rows of punctures plus scutellar row; finely tricostate.

Leg: short; femur thickened; tibia expanding apically.

Distribution

 

Indonesia.

World Fauna

 

Described species: 1- Drescheria reinecki Weise (Staines 2012).

Hosts

 

Poaceae.

References

 

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

Weise, J. 1922b. Hispinen der Alten Welt. The Philippine Journal of Science 21(D):57-85.

 

Content last updated April 2014
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