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Gisborne cockroach

Scientific Name
Drymaplaneta semivitta
Scientific Author
Walker
Taxonomy
(Blattodea: Blattidae: Polyzosteriinae: Methanini)
Status
Native Australian Pest Species
Reliability
High
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Diagnostic Notes

Generic Diagnostic features:

Usually medium-sized or fairly large Methanini; third and fourth segments of maxillary palps swollen in male; vestigial tegmina lobate or subquadrilateral, forming lateral margins of mesonotum, vestigial wings absent; colour yellowish or reddish brown or black, usually with yellow markings; proventriculus and genitalia of methanine type.

6 species are known from Australia:

Drymaplaneta lobipennis
Drymaplaneta shelfordi
Drymaplaneta heydeniana
Drymaplaneta variegata
Drymaplaneta semivitta
Drymaplaneta communis

The two common, almost "pest" species due to their adundance are:

Drymaplaneta semivitta
Drymaplaneta communis

They can be distinguished as follows:

- Tegmina larger, with square-cut tip; abdomen uniformly dark (TI0 of female with fairly sharp angles); hind tibiae of male expanded .................... D. semivitta (Walker)

-  Tegmina smaller, with rounded tip; abdomen often with yellow sublateral bands or spots; hind
tibiae of male not expanded ..D. communis Tepper

Source:

Mackerras, J. (1968) Australian Blattidae (Blattodea) IX.* Revision of the Polyzosteriinae Tribe Methanini, Tryonicinae and Blattinae. Australian Journal of Zoology 16: 511-75

More Information
Specimen Contact
Museum Victoria
Author
Walker, K.
Created
15/02/2007 04:31 AEST
Last Updated
14/07/2009 13:26 AEST
Citation
Walker, K. (2007) Gisborne cockroach (Drymaplaneta semivitta) Updated on 7/14/2009 1:26:41 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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