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Cockroach

Scientific Name
Blattella sp.
Scientific Author
Taxonomy
(Blattodea: Blattellidae)
Pest Status
0 Unknown
Status
NZ - Exotic
Reliability
High
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Diagnostic Images

Ventral - Adult
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Caption
BLA6
Source
Caroline Harding MAF
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Diagnostic Images (5)
Diagnostic Notes
Adult

Small cockroach, usually less than 18 mm long; pronotum with 2 conspicuous longitudinal black bars on a pale background; antennae not densely hairy basally. Male with subgenital plate strongly asymmetrical; styles relatively short and heavy, symmetrical or not. Female with subgenital plate simple, not valvate.

Immatures

Medium to large species; compound eyes present, large, kidney-shaped; antennae long, more than one-half body length; ventro-anterior margins of front femora with a row of spines that decrease in size before 2 or 3 large apical spines; proventriculi with slender, bladelike teeth of various shapes; legs relatively long and slender; mid and hind femora with numerous strong spines along ventral margins; cerci long and tapering, carried at an angle to the body.

References

- Gurney, A.B. & Fisk, F.W. (1991). Cockroaches (Blattaria, Dictyoptera). In: Gorham, J.R. (Ed.), Insect and mite pests in food: an illustrated key. USDA Agriculture Handbook No. 655. United States Department of Agriculture. Washington, DC, pp. 45-74.

- Stehr, F.W. (1997). Immature Insects. Kendall/Hunt Publishing Company, Iowa, 754 pp.
More Information
Specimen Contact
MAF Plant Health & Environment Laboratory
Author
MAF Plant Health & Environment Laboratory
Created
13/04/2011 02:20 AEST
Last Updated
20/03/2014 00:02 AEST
Citation
MAF Plant Health & Environment Laboratory (2011) Cockroach (Blattella sp.) Updated on 3/20/2014 12:02:01 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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