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Maize Weevil

Scientific Name
Sitophilus zeamais
Scientific Author
Motschulsky, 1855
Taxonomy
(Coleoptera: Curculionidae: Dryophthorinae: Litosomini)
Pest Status
0 Unknown
Status
NZ - Exotic
Reliability
High
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Diagnostic Images (6)
Diagnostic Notes
"Adult

Length, excluding head and rostrum, usually distinctly greater than 3.0 mm. With fine microsculpture. Rostrum with subbasal expansion abrupt and subbulbose. Dorsal part of caudal section of scrobe obviously separated from eye by a coarsely punctate area. Punctures on disc of pronotum mostly subcircular and dense. Scutellum with anterior corners protuberant, subtuberculiform and projecting above level of adjacent parts of elytra. Elytral striae mostly appearing about as wide or wider than intervals on disc. Metepisternum about as wide as adjacent lateral elytral interval. Volant, wings fully developed.

Male

Dorsum of aedeagus with two longitudinal sulci; dorsally sinuous in cross-section.

"References

- Zimmerman, E.C. (1993). Australian Weevils. Volume III. Nanophyidae, Rhynchophoridae, Erirhinidae, Curculionidae: Amycterinae, literature consulted. CSIRO, Melbourne, 854 pp.
More Information
Specimen Contact
MAF Plant Health & Environment Laboratory
Author
MAF Plant Health & Environment Laboratory
Created
21/01/2011 07:31 AEST
Last Updated
02/05/2014 03:15 AEST
Citation
MAF Plant Health & Environment Laboratory (2011) Maize Weevil (Sitophilus zeamais) Updated on 5/2/2014 3:15:54 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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