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Black stem borer

Scientific Name
Xylosandrus germanus
Scientific Author
(Blandford, 1894)
Taxonomy
(Coleoptera: Curculionidae: Scolytinae: Xyleborini)
Status
Exotic species - absent from Australia
Exotic species - absent from Australia
Reliability
High
High
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Diagnostic Images (9)
Diagnostic Notes

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

Xylosandrus germanus 2.0-2.4 mm, surface of elytral declivity shining; anterior margin of pronotum with 8-10 asperities

Xylosandrus crassiusculus 2.1-2.9 mm, surface of elytral declivity dull and granulated; anterior margin of pronotum with 8-10 asperities

Xylosandrus compactus: 1.4-1.8 mm; anterior margin of pronotum usually with 6-8 (though sometimes with 10) asperities.

Sources:

See Featured Creature weblink

Bright, D.E. (1968) see references

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

More Information
Author
Walker, K.
Created
11/02/2008 05:30 AEST
Last Updated
25/11/2011 15:55 AEST
Citation
Walker, K. (2008) Black stem borer (Xylosandrus germanus) Updated on 11/25/2011 3:55:18 PM 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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