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Tawny Earwig

Scientific Name
Labidura riparia
Scientific Author
(Pallas, 1773)
Taxonomy
(Dermaptera: Labiduridae)
Pest Status
0 Unknown
Status
NZ - Exotic
Reliability
High
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Diagnostic Images

Dorsal - Female
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Caption
DER008
Source
Caroline Harding MAF
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Diagnostic Images (6)
Diagnostic Notes
Male

Body length 14-22 mm; forceps 5-8 mm; general colour varies from yellowish brown to dark blackish brown with intermediate shades; antennae, legs and wings generally testaceous; antennae 25-36 segmented; pronotum slightly longer than broad, sides straight or often convex, posteriorly rounded. Wing generally present; occasionally reduced or concealed below elytra; rugose above. Abdomen weakly depressed, punctulate, gradually enlarging posteriorly. Forceps remote at base; trigonal above for a short distance; long, cylindrical, tapering apically; internally toothed but their position extremely variable.

Female

Body length 12-20 mm; forceps 3.5-5 mm; abdomen dilated in middle; ultimate tergite narrowed posteriorly. Forceps with branches almost straight and contiguous; each branch narrowed distally; inner margin dentated.

References

- Srivastava, G.K. (2003). The Fauna of India and the Adjacent Countries: Dermaptera. Part 2. Zoological Survey of India, Kolkata, 235 pp.

- Brindle, A. (1970). The Dermaptera of the Solomon Islands. Pacific Insects, 12(3): 641-700.
More Information
Specimen Contact
MAF Plant Health & Environment Laboratory
Author
MAF Plant Health & Environment Laboratory
Created
20/12/2010 02:59 AEST
Last Updated
09/04/2014 23:42 AEST
Citation
MAF Plant Health & Environment Laboratory (2010) Tawny Earwig (Labidura riparia) Updated on 4/9/2014 11:42:50 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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