1. PaDIL Species Factsheet Scientific Name: Sitophilus zeamais Motschulsky, 1855 (Coleoptera: Curculionidae: Dryophthorinae: Litosomini) Common Name Maize Weevil Live link: http://www.padil.gov.au/maf-border/Pest/Main/140330 Image Library New Zealand Biosecurity Live link: http://www.padil.gov.au/maf-border/ Partners for New Zealand Biosecurity image library Landcare Research — Manaaki Whenua http://www.landcareresearch.co.nz/ MPI (Ministry for Primary Industries) http://www.biosecurity.govt.nz/ 2. Species Information 2.1. Details Specimen Contact: MAF Plant Health & Environment Laboratory - [email protected] Author: MAF Plant Health & Environment Laboratory Citation: MAF Plant Health & Environment Laboratory (2011) Maize Weevil(Sitophilus zeamais)Updated on 5/2/2014 Available online: PaDIL - http://www.padil.gov.au Image Use: Free for use under the Creative Commons Attribution-NonCommercial 4.0 International (CC BY- NC 4.0) 2.2. URL Live link: http://www.padil.gov.au/maf-border/Pest/Main/140330 2.3. Facets Groups: Beetles Commodity Overview: Horticulture Commodity Type: Coconut, Ginger, Fabaceous produce Status: NZ - Exotic Pest Status: 0 Unknown Distribution: 0 Unknown Host Family: 0 Unknown 2.4. Other Names Calandra chilensis Philippi and Philippi, 1864 Calandra platensis Zacher, 1922 Cossonus quadrimacula Walker, 1859 Curculionid Beetle Curculios Greater Rice Weevil Snout Beetle 2.5. 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. 2.6. References - Zimmerman, E.C. (1993). _Australian Weevils_. Volume III. Nanophyidae, Rhynchophoridae, Erirhinidae, Curculionidae: Amycterinae, literature consulted. CSIRO, Melbourne, 854 pp. 2.7. Web Links Maize Weevil - Wikipedia: http://wikipedia.org/wiki/Sitophilus_zeamais 3. Diagnostic Images COL150 COL150 Dorsal - Adult: Caroline Harding MAF Head Oblique - Adult: Caroline Harding MAF COL150 COL150 Lateral - Adult: Caroline Harding MAF Posterior Oblique - Adult: Caroline Harding MAF COL150 COL150 Pronotum - Adult: Caroline Harding MAF Ventral - Adult: Caroline Harding MAF Results Generated: Thursday, September 23, 2021 .