Pentoxydema rostralis

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Pentoxydema rostralis
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Coleoptera
Suborder:
Phytophaga
Superfamily:
Curculionoidea
Family:
Curculionidae
Genus:
Pentoxydema
Species:
P. rostralis
Binomial name
Pentoxydema rostralis
Marshall, 1938

Pentoxydema rostralis, is a species of weevil found in Sri Lanka. [1]

Description

Typical length of the adult is about 7 to 8 mm. Male has a black to piceous body which is moderately shiny. Head elongate, distinctly constricted both dorsally and laterally. Vertex finely and sparsely punctate. There is a large frontal fovea. Eyes are moderately convex. Rostrum very long about 1.5 to 2,0 mm. Rostrum slightly curved, and stout. Antennal punctures are fairly strong, close and even. Prothorax much longer broad and moderately rounded laterally. Dorsum flattened in the middle of the disk, with close and small deep punctures. There is a broad impunctate shiny band found immediately behind the subapical constriction. Elytra much longer than the prothorax and is sub-cylindrical. Pronotal apex is sub-truncate. Elytral striae well marked and containing strong separated punctures. [2]

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References

  1. ↑ "Pentoxydema rostralis Marshall, 1938". www.gbif.org. Retrieved 2021-08-20.
  2. ↑ "On some Oriental Cossoninae. (Coloptera: Ourculionidae)" (PDF). Arb. morph. taxon. Ent. Berlin-Dahlem, Band 5, 1938, Kr. 2. Retrieved 2021-08-20.


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