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South American Palm Weevil

Scientific Name
Rhynchophorus palmerum
Scientific Author
(Linnaeus, 1758)
Taxonomy
(Coleoptera: Curculionidae: Rhynchophorinae)
Status
Exotic species - absent from Australia
Reliability
High
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Diagnostic Images

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Caption
Peru, Tumbes, July 1918
Source
Sarah McCaffrey Museum Victoria
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Diagnostic Images (10)
Diagnostic Notes
Adult R. palmarum have a black, hard cuticle and possess the characteristic elytra of Coleoptera, protecting the abdomen when closed. They measure 4 – 5 cm in length and are approximately 1.4 cm wide. The head is small and round with a characteristic long, ventrally curved rostrum. Adults show sexual dimorphism; males have a conspicuous batch of hairs on the antero-central dorsal region of the rostrum.

R. palmarum primarily attacks the apical region of palm crowns, and larvae remain inside the galleries they build. Thus, the pest can only be detected when damaged plants start to die.
More Information
Specimen Contact
Museum Victoria
Author
McCaffrey, Sarah & Ken Walker
Created
17/02/2012 12:23 AEST
Last Updated
17/02/2012 16:28 AEST
Citation
McCaffrey, Sarah & Ken Walker (2012) South American Palm Weevil (Rhynchophorus palmerum) Updated on 2/17/2012 4:28:09 PM Available online: PaDIL - http://www.padil.gov.au.
Image Use
Free for use under the Creative Commons Attribution 3.0 Australia License

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