Artificial Feeding Site to Investigate Emigration of Nitidulid Beetles from Dried Fruits
E. DONAHAYE, S. NAVARRO, MIRIAM RINDNER, AND R. DIAS
Department of Stored Products, Agricultural Research Organization, The Volcani Center, P.O. Box 6, Bet Dagan, Israel
J. Econ. Entomol. 85(4): 1990-1993 (1992)
Abstract: Experiments were conducted to investigate the influence of different treatments on nitidulid beetle emigration from infested dried fruits. In the search for a sensitive method for measuring emigration, an artificial feeding site was devised. Emigration from feeding sites was compared with emigration from infested fruit when treated with methyl bromide, low pressure (100 mm mercury), carbon dioxide (CO₂) in air, or 2.8% oxygen (O₂) in nitrogen. Emigration from fruit and artificial feeding site treated with methyl bromide, low pressure (100 mm mercury), or 2.8% O₂, were significantly greater than from fruit and site treated with CO₂ or control. No significant differences were recorded in emigration from fruit or artificial feeding site.
Key Words: Carpophilus spp., dried fruits, feeding site
