Rhoptrispa Chen & Tan (misspelling).
Hispa dilaticornis Duvivier.
Rhodtrispa can be distinguished by the following combination of characters:
Body small, oblong; subparallel; subconvex; color black with metallic reflections; total length 3.0 to 3.4 mm.
Head: small; convex; not constricted basally; vertexvertex:
occupies the area behind and between the eyes
rugose, with interocular space 1½x width of an eyeeye:
elongate, slightly prominent, multifaceted; usually slightly kidney-shaped
.
Antenna: reaches to base 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
; slightly thickening apically; with 11-antennomeres; antennomere 1 incrassate, without spine; 2 short, subcylindrical; 3 cylindrical, longer than 2; 4 subequal in length to 2; 1 to 6 sulcate; 7 to 11 pubescent.
Pronotum: transverse; lateral margin rounded, with 3 spines- 2 on common base and a single (2+1); anterior angle rounded; anterior margin curved forward, with branched spine on each side; posterior angle acute; posterior margin bisinuate; surface punctate, with weak transverse impression basally, with scattered short yellowish setae.
Scutellum: pentagonal.
Elytron: lateral margin straight, with long spines; exterior apical angle rounded, with long spines; apical margin rounded, with long spines; humerus angulate, not produced; with 8 rows of punctures plus scutellar row basally, 9 rows medially, 10 rows apically; disc with irregularly placed erect spines.
Venter: covered with short yellowish setae.
Leg: tarsal claws not fused, symmetrical.
Afghanistan, Bangladesh, Bhutan, China, Eritrea, Ethiopia, India, Laos, Nepal, Sri Lanka, Taiwan, Thailand, United Arab Emirates, Vietnam.
Described species: 1- Rhodtrispa dilaticornis (Duvivier) (Staines 2012).
Arthraxon, Oryza, Panicum (Poaceae).
Chen, S. H., & C. C. Tan. 1964. New species of Dactylispa from China (Coleoptera, Hispinae). Acta Entomologica Sinica 13:414-427.
Staines, C. L. 2012. Tribe Hispini. Catalog of the hispines of the world (Coleoptera: Chrysomelidae: Cassidinae). http://entomology.si.edu/Collections_Coleoptera.html