A survey of beetles in store-rooms containing barley and maize for animal feed, on the island of Lefkas, Greece: abundance and population fluctuation of the most significant species

agricultural products barley cebada cereales cereals coleoptera dynamique des populations ecologia ecologie ecology grecia greece insecte nuisible mais maize orge pest insects plagas de productos almacenados population dynamics produit agricole sitophilus granarius sitophilus oryzae stored products pests