Überlebensdauer vorratsschädlicher Insekten in Getreidekühllägern

Under the temperature conditions of cold-storage of grain, i.e. 6–9°C, the Granary Weevil (Sitophilus granarius) could survive for more than 2 years. The Khapra Beetle (Trogoderma granarium) survived for more than 11/2 year and the longevity of the Saw Toothed Grain Beetle (Oryzaephilus surinamensis) and the Turkish Flat Beetle (Cryptolestes turcicus) exceeded 1 year. The Confused Flour Beetle (Tribolium confusum) proofed to be much less cold resistant and did not survive half a year under the conditions mentioned above. The unexpected short longevity of max. 1 year of the Flour Mite (Acarus siro) may have been caused by desiccation of the grain during cold storage. From practical aspects of stored products protection also long-term cold-storage of grain cannot be taken as a guarantee for complete desinfestation.