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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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The beetle is harmless. Germany, Upper Ahasevrus, Stadtsteinach, Steinachtal leg. Charts showing breakdown of occurrence records [counting] records. They are rarely used in the United States because live insect biological pest control agents are not permitted in stores of in raw grain.

File:Ahasverus advena (Waltl, 1832) (14220574989).png

Thomas16 September, – 2: From Wikimedia Commons, the free media repository. This file contains ahaxverus information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. Ahaverus UK Species Ahasverus advena: Ahasverus advena Insects on white background Silvanidae of Stadtsteinach.

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, We strive to provide accurate information, but we are mostly just amateurs attempting to make sense of a diverse natural world.

Cathartus advena Waltl synonym. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file.


Dedicated naturalists volunteer their time and resources here to provide this service. Transferred from Flickr via Flickr2Commons. The larval stage is completed in 11 to 19 days, and pupation takes 3 to 5 days. Foreign Grain Beetle – Stored Grain. Dedicated naturalists volunteer their time and resources here to provide this service. OpenStreetMap – Google Earth.

Ahasverus advena Waltl, Males and females are identical in appearance both as larvae and adults.

Foreign grain beetle

Contributed by tom murray on 29 September, – Views Read Edit View history. It can be distinguished chiefly by slight projections or knobs on each front corner of the pronotum, and its club-shaped antennae. It may inhabit dwellings and infest products such as grains, cereals, oilseeds, dried fruit, and spices, particularly if the product is moldy.

Various insect predators and parasitic wasps attack this beetle. It can often be found in grain storage facilities, where it feeds on the mold growing on the grain.

Articles lacking in-text citations from April All articles lacking in-text citations Articles with ‘species’ microformats. This page was last edited on 21 Augustat Its diet is entirely fungi.

Contributors own the copyright to and are solely responsible for contributed content. If you need expert professional advice, contact your local extension office. References for this taxon found in the Conservation Evidence Library. Please help to improve this article by introducing more precise citations. Receive alerts when new records are advenq.


Unmated beetles live longer, males up days, afvena females up to Click the contributor’s name for licensing and usage information. Insecticides may be used but must be applied frequently and it does not reach beetles inside grain kernels. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. Larval development takes longer in drier conditions.

foreign grain beetle (Ahasverus advena)

Mated males have an average life span of days, and mated females live about days. They are only effective in large numbers. It was reviewed on 7 November by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-sa Description Ahasverus advena Waltl, Schmidt, Date 1 October Eggs are laid singly or in clusters of two or three, and they hatch in 4 to 5 days.

No images available for this taxon If haasverus have images for this taxon that you would like to share with NBN Atlas, please upload using the upload tools. Views View Edit History. Compiled distribution map provided by [data resource not known]. Udo Schmidt from Deutschland. Bugguide is hosted by: The adult is usually reddish brown, or sometimes black. This image was originally posted to Flickr by urjsa at https: