Cossonus horni

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Cossonus horni
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Coleoptera
Suborder:
Phytophaga
Superfamily:
Curculionoidea
Family:
Curculionidae
Genus:
Cossonus
Species:
C. horni
Binomial name
Cossonus horni
F.Walker

Cossonus horni, is a species of weevil found in Sri Lanka. [1]

Description

Typical length of the adult is about 3.2 to 3.6 mm. Body piceous to reddish brown. Prothorax much darker. Head impunctate except for a few small scattered punctures on the forehead. There is an elongate fovea in forehead without any transverse impression. Rostrum stout, parallel-sided in the basal half, and quadrangularly dilated at the apex. There are small scattered punctures on rostrum. Antennae reddish brown, where the scape is shorter than funicle. Prothorax subpyriform, broad, and rounded laterally. The discal areas on each side with very sparse small punctures. Scutellum subquadrate, transverse, and impunctate. Elytra flat on the disk, with deep striae containing strong close punctures. Ventrum with very fine sparse punctures on the mesosternal process. [2]

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References

  1. ↑ "Cossonus disciferus F.Walker". 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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