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Tropical Bed bug

Scientific Name
Cimex hemipterus
Scientific Author
(Fabricius)
Taxonomy
(Hemiptera: Cimicidae)
Status
Exotic Species Establishment in Australia
Reliability
High
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Diagnostic Notes
Bed bugs are wingless insects, roughly oval in shape, 4-7 mm long when fully grown, and are fast runners. They are rust brown in colour and change to a deeper red brown following a blood meal. Bed bugs are dorsoventrally flattened and being thin means that they can hide in narrow cracks and crevices, making detection often very difficult.

There are five juvenile stages known as nymphs, which are miniature versions of the adults in appearance. Each nymphal stage requires at least one blood meal to moult to the next stage and it takes 5-10 minutes for complete engorgement to occur. The entire nymphal development takes 6-8 weeks, while the adult bed bugs can live on average for 6-12 months. All nymphal stages and adults of both sexes require blood for nutrition and development. After mating, each female lays 2-3 eggs a day throughout her lifespan. The cream coloured eggs (1mm in length) are cemented on rough surfaces of hiding places, and will hatch within around 10 days at room temperature, but longer in cooler conditions.

How to differentiate Cimex lectularius from Cimex hemipterus:

- The differential diagnosis is based on the lack of an upturned lateral flange on the thorax in C. hemipterus, which is present in C. lectularius.
More Information
Specimen Contact
Museum Victoria
Author
Ken Walker
Created
10/02/2012 05:04 AEST
Last Updated
10/02/2012 17:04 AEST
Citation
Ken Walker (2012) Tropical Bed bug (Cimex hemipterus) Updated on 2/10/2012 5:04:06 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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