A new commercial plug dispenser containing trimedlure, theparapheromone for male mediflies, Ceratitis capitat (Wiedemann)(Diptera: Tephritidae), was devloped and tested. The dispenser shoedhigh efficacy in comparison to reference cotton wicks baited withtrimedlure and to the standard AgriSense plug dispenser, containingtrimedlure, now in use in all medfly detection programs. Fly captureswere not significantly different with the two styles of plugs whenaged and tested in Hawaii. When both plugs were aged in Californiaand then tested in Hawaii, the fly captures with the new plug werenot significantly different from the standard AgriSense plug exceptfor being significantly higher for the T-1 and T-2 weeks of aging.The residual amounts of trimedlure in the new plug after each agingperiod in California compared to that in the AgriSense plug duringthe same aging period were 6.8/100 and 3.2/100 greater for T_Q andT-1 weeks aged, respectively, and 13.6/100 , 19.1/100 , and 26.2/100less for T-2, T-4, T-6 weeks aged, respectively. However, theemission rates of the California-aged new plug exceeded that of theCalifornia-aged standard AgriSense plug by 7.2, 29.6,33.3, 14.6, and9.5/100 for T-0, T-1, T-2, T-4, and T-6, respectively.
展开▼
