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Steely-blue wood wasp

Scientific Name
Sirex juvencus
Scientific Author
(Linnaeus)
Taxonomy
(Hymenoptera: Siricidae: Siricinae)
Status
Exotic species - absent from Australia
Reliability
High
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Diagnostic Images

Dorsal view female
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Caption
Unlabelled
Source
Peter Lillywhite & Ken Walker Museum Victoria
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Diagnostic Images (6)
Diagnostic Notes

Male adults are 8-28 mm long, and females are 15-32 mm long. A few basic segments of antennae are reddish, and others are brown or black. Sexual dimorphism is clear. The female body is black-bluish with metallic shine. Legs are yellow-reddish. Femora and trochanters are reddish-brown. The last abdominal segment is triangle and wide in a basal part. Ovipositor is as long as abdomen or slightly longer. The male body is black with metallic shine. Front and middle legs are reddish with black femora and trochanters. Hind legs are black with red femora, the base of tibiae and the last segments of palpi. The abdomen is red with the black-bluish first and second tergites, first sternite and last segment. There are brownish spots sporadically occurring on the bases of other abdominal segments.

 

Source:

 

See weblink Atlas of Forest Insect Pests

More Information
Author
Walker, K.
Created
22/06/2006 05:16 AEST
Last Updated
18/02/2014 09:35 AEST
Citation
Walker, K. (2006) Steely-blue wood wasp (Sirex juvencus) Updated on 2/18/2014 9:35:23 AM 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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