The influence of the type of storage on pest infestation of stored grain in the Czech Republic
2003
Stejskal, V. | Hubert, J. | Kucerova, Z. | Lukas, J. | Zdarkova, E. (Vyzkumny Ustav Rostlinne Vyroby, Prague-Ruzyne (Czech Republic)) | Munzbergova, Z.
The aim of this work was to explore whether the risk of infestation of stored grain by pests is different in various types of storage premises. There was compared the level of infestation and the pest species composition in the two main types of grain stores in Central Europe that includes horizontal flat-stores (HFS) and vertical silo-stores (elevators) (VSS). A total of 147 grain stores located in Bohemia, Czech Republic was inspected. We found that both types of stores were infested with arthropods of three main taxonomic groups: mites (25 species, 120 000 individuals), psocids (8 species, 5 600 individuals) and beetles (23 species, 4 500 individuals). We found that VSS and HFS differ in species composition of mites, psocids and beetles. However, the primary grain pests (i.e. Lepidoglyphus destructor, Acarus siro, Tyrophagus putrescentiae, Lachesilla pedicularia, Sitophilus oryzae, Rhyzopertha dominica, Oryzaephilus surinamensis and Cryptolestes ferrugineus) occurred in both types of stores. The only exception was higher frequency and abundance of two serious beetle-pests (Tribolium castaneum, Sitophilus granarius) in HFS than in VSS.
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