Cockroaches
Untitled Document
Australian Cockroach Periplaneta Australasiae

General
Adults are reddish brown, fully winged with a yellow to pale brown band around the pronotum and a yellow streak on the outer edge of thebaseof the front wings. This species closely resembles the American cockroach. 

Significance
Not yet widely established in the UK. Requires hot, moist conditions. Found in greenhouses, therefore potted plants may be a source of infestation. Pet shops, with heated fish tanks can also be a source of infestation for this species. 

Control
An established infestation will be difficult to control, because the cockroaches will be distributed throughout the building in difficult to reach harbourages.
Integrated programme approach for elimination is essential. Spot treatment is ineffective.

Top: Periplaneta australasiae adult female

Bottom: Periplaneta australasi-ae nymph


Adult size: 25-35mm
Number of moults: 10+
Development time:   (Egg to adult) approx. a year
Length of adult stage: 4- 6months
No. of oothecae produced in female lifetime 20-30
No. of eggs produced per oothecae average 16
 

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