Rhynchophorus bilineatus

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Rhynchophorus bilineatus
Rhynchophorus bilineatus from New Guinea
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Coleoptera
Family:
Curculionidae
Genus:
Rhynchophorus
Species:
R. bilineatus
Binomial name
Rhynchophorus bilineatus
(Montrouzier, 1857)
Synonyms
  • Calandra bilineata Montrouzier, 1857
  • Sphenophorus palmarum Montrouzier, 1860 (not palmarum Linnaeus)
  • Rhynchophorus kaupii Schaufuss, 1864
  • Rhynchophorus velutinus Fairmaire, 1877
  • Rhynchophorus montrouzieri Chevrolat, 1882
  • Rhynchophorus rubrocinctus Chevrolat, 1882

Rhynchophorus bilineatus, common name Black Palm Weevil, is a species of beetles belonging to the family Curculionidae.

Description

Rhynchophorus bilineatus can reach a body length of about 40mm. These large beetles are considered a major pest in palm plantations, mainly in Cocos nucifera, Metroxylon sagu and Metroxylon solomonense.

In fact the adults lay eggs in wounds in the stems of palms. After hatching, the weevil larvae excavate tunnels in the trunk and feed on the tissues, frequently leading to the death the host plants.

Distribution

This species can be found in the Moluccas, Papua New Guinea and Solomon islands. Reports of Rhynchophorus ferrugineus from these areas are likely to be misidentified specimens of bilineatus.

References

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