Influence of pheromone and food attractants on trapping of Sitophilus oryzae (L.) (Col., Curculionidae): a new trap
1989
Trematerra, P. (Milan Univ. (Italy). Inst. of Agricultural Entomology) | Girgenti, P.
Test arenas and corrugated cardboard traps were used to test attractive properties of synthetic pheromone, (4S,5R)-sitophinone, and various foods to rice weevils, Sitophilus oryzae (L.), in laboratory and in storage room. Cracked corn, rice kernels and corn germ oil trapped significantly more insects than 1 mg of (4S,5R)-sitophinone. A strong synergistic effect between the pheromone added with cracked corn or rice kernels or corn germ oil was demonstrated. Rice weevils were successfully lured out of a food source when cracked corn and (4S-5R)-sitophinone were present in the traps. A new design of corrugated cardboard trap was reported
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