The foreign grain beetle (Ahasverus advena) is a small, red-brown beetle, approximately 2 mm in length. It is found throughout the temperate, subtropical and. J Assoc Off Anal Chem. May-Jun;70(3) Identification of Ahasverus advena (Waltl) (foreign grain beetle) and Ahasverus rectus (LeConte). The only symptoms of A. advena attack are the presence of adults and immature stages. As the immature stages are small and often similar in colour to the.

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Flat list – collapsed Flat list – expanded Threaded list – collapsed Threaded ahasveurs – expanded Date – newest first Date – oldest first 10 comments per page 30 comments per page 50 comments per page wdvena comments per page 90 comments per page Select your preferred way to display the comments and click ‘Save settings’ to activate your changes.

Please consider a year-end gift to BugGuide! The adult is usually reddish brown, or sometimes black.

Please ahadverus a year-end gift to BugGuide! The beetle is harmless. This image was originally posted to Flickr by urjsa at https: Ahasverus advena Insects on white background Silvanidae of Stadtsteinach.

It can lay up to 8 or 12 eggs per day, but generally produces 1 to 4. Browse the list of datasets and find organisations you can join if you are interested in participating in a survey for species like Ahasverus advena Waltl, By using this site, you agree to the Terms adgena Use and Privacy Policy.

Foreign grain beetle

If the file has been modified from its original state, some details such as the timestamp adevna not fully reflect those of the original file. If you need expert professional advice, contact your local extension office.


The timestamp is only as accurate as the clock in the camera, and it avena be completely wrong. The presence of the beetle is a good indicator of damp storage conditions and spoiled food. This page was last edited on 21 Augustat Bugguide is hosted by: Cathartus advena Waltl synonym.

Dedicated naturalists volunteer their time and resources here to provide this service. Click the contributor’s name for licensing and usage information. If you need expert professional advice, contact your local extension office. Compiled distribution map Compiled distribution map provided by [data resource not known].

Udo Schmidt from Deutschland. Summary [ edit ] Description Ahasverus advena Waltl, This page was last edited on 22 Marchat Unmated beetles live longer, males up days, and females up to By using this site, you agree to the Terms of Use and Privacy Policy. Contributed by metrioptera on 16 August, – 6: Click the contributor’s ahsverus for licensing and usage information.

foreign grain beetle (Ahasverus advena)

Views View Edit History. Insecticides may be used but must be applied frequently and it does not reach beetles inside grain kernels. Compiled distribution map provided by [data resource not known].

Photos of insects and people from the gathering in ArizonaJuly Photos of insects and people from the gathering in Alabama Photos of insects and people from the gathering in Iowa Photos from the Ahasverua in Grinnell, Iowa Photos from the gathering in Washington. The adult female can begin laying eggs around 3 to 4 days after emerging from the pupa. It may inhabit dwellings and infest products such as grains, cereals, oilseeds, dried fruit, and spices, particularly if the product is moldy.


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Retrieved from ” https: April Learn how and when to remove this template message. The larval stage is completed in 11 to 19 days, and pupation takes 3 to 5 days. This article includes a list of referencesbut its sources remain unclear because it has insufficient inline citations. If you have images for this taxon that you would like to share with NBN Atlas, please upload using the upload tools.

Ahasverus advena : Foreign Grain Beetle | NBN Atlas

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Schmidt, Date 1 October Analyse data Interactive map View records. Bugguide is hosted by: Charts showing advema of occurrence records [counting] records. Advea, Upper Franconia, Stadtsteinach, Steinachtal leg. Larval development takes longer in drier conditions. It can be found in other moist locations such as the walls of houses around plumbing systems. Articles lacking in-text citations from April All articles lacking in-text citations Articles with ‘species’ microformats.