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Asian ambrosia beetle

Scientific Name
Xylosandrus crassiusculus
Scientific Author
(Motschulsky, 1866)
Taxonomy
(Coleoptera: Curculionidae: Scolytinae: Xyleborini)
Status
Exotic Species Occurrence in Australia
Exotic Species Occurrence in Australia
Reliability
High
High
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Diagnostic Notes

Body length female 2.1-2.9 mm and male 1.5 mm long, stout bodied, mature colour is dark reddish brown, darker on the elytral declivity; head completely hidden by the pronotum in dorsal view, declivity distinctive with surface dull and covered with dense scattered fine granules and rows of long hairs.

Xylosandrus spp. are distinguished from related genera (Xyleborus, Xyleborinus, Ambrosiodmus) by the stout body, truncate elytral declivity, and non-contiguous procoxae.

Sources:

See Featured Creatures website

See Kirkendall's bark beetles website

Both Xylosandrus germanus and X. crassiusculus have characteristic, toothpick-like, curling frass at the entrance holes.

More Information
Author
Walker, K.
Created
09/02/2008 09:34 AEST
Last Updated
16/09/2016 04:35 AEST
Citation
Walker, K. (2008) Asian ambrosia beetle (Xylosandrus crassiusculus) Updated on 9/16/2016 4:35:56 AM Available online: PaDIL - http://www.padil.gov.au.
Image Use
Free for use under the Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)

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