| Title: | Electrophysiological and behavioral responses of oriental fruit moth to the monoterpenoid citral alone and in combination with sex pheromone |
| Author(s): | Faraone N; D'Errico G; Caleca V; Cristofaro AD; Trimble RM; |
| Address: | "Department of Environmental Sciences, Faculty of Agriculture, Dalhousie University, P.O. Box 550, 21 Cox Rd., Truro NS, Canada B2N 5E3. nfaraone@dal.ca" |
| ISSN/ISBN: | 1938-2936 (Electronic) 0046-225X (Linking) |
| Abstract: | "The monoterpenoid citral synergized the electroantennogram (EAG) response of male Grapholita molesta (Busck) antennae to its main pheromone compound Z8-12:OAc. The response to a 10-mug pheromone stimulus increased by 32, 45, 54, 71 and 94% with the addition of 0.1, 1, 10, 100 and 1,000 mug of citral, respectively. There was no detectable response to 0.1, 1, or 10 mug of citral; the response to 100 and 1,000 mug of citral was 31 and 79% of the response to 10 mug of Z8-12:OAc. In a flight tunnel, citral affected the mate-seeking behavior of males. There was a 66% reduction in the number of males orientating by flight to a virgin calling female when citral was emitted at 1,000 ng/min asymptotically equal to1 cm downwind from a female. Pheromone and citral induced sensory adaptation in male antennae, but citral did not synergize the effect of pheromone. The exposure of antennae to 1 ng Z8-12:OAc/m(3) air, 1 ng citral/m3 air, 1 ng Z8-12:OAc + 1 ng citral/m3 air, or to 1 ng Z8-12:OAc + 100 ng citral/m3 air for 15 min resulted in a similar reduction in EAG response of 47-63%. The exposure of males to these same treatments for 15 min had no effect on their ability to orientate to a virgin calling female in a flight tunnel. The potential for using citral to control G. molesta by mating disruption is discussed" |
| Keywords: | "Acyclic Monoterpenes Animals Arthropod Antennae/drug effects/physiology Dose-Response Relationship, Drug Female Insect Control Male Monoterpenes/*pharmacology Moths/*drug effects/*physiology Sex Attractants/*pharmacology Sexual Behavior, Animal/*drug effe;" |
| Notes: | "MedlineFaraone, N D'Errico, G Caleca, V Cristofaro, A De Trimble, R M eng England 2013/04/12 Environ Entomol. 2013 Apr; 42(2):314-22. doi: 10.1603/EN12205" |
