Department of Entomology, University of California, Riverside, CA 92521, USA.
J Econ Entomol. 2010 Apr;103(2):550-6. doi: 10.1603/ec09293.
House fly responses to metaflumizone bait were studied in southern California. Field-strain, laboratory-reared flies in outdoor cages had access for 5 d to water and two containers of untreated sugar/dry milk (control), one container of untreated food and one container of metaflumizone bait, or one container of untreated food and one container of spinosad bait (positive control). Most fly mortality occurred between 0 and 48 h for spinosad and between 48 and 96 h for metaflumizone. On a commercial dairy, fly visitation and bait consumption were higher for metaflumizone bait than for sugar or imidacloprid bait. Flies seldom visited or consumed the imidacloprid bait. Approximately 32% of field flies collected directly from metaflumizone bait (single exposure) died when held in the laboratory with untreated food for 72 h versus < 5% mortality for flies from sugar or imidacloprid bait. Individual laboratory-reared females from a field strain and a susceptible laboratory strain were videotaped in the laboratory after exposure to untreated dry milk/sugar, metaflumizone bait, spinosad bait, and imidacloprid bait. Imidacloprid-induced mortality in field strain flies was low; when on the bait they spent proportionally less time feeding (38%) than did the laboratory strain flies (63%). Feeding by the field strain was more variable, and they fed less on all bait/food sources except metaflumizone. Metaflumizone has promise as a relatively slow-acting fly bait.
在加利福尼亚南部研究了家蝇对甲氟菊酯诱饵的反应。在户外笼中，野外品系、实验室饲养的苍蝇可以接触水和两份未处理的糖/干奶（对照）、一份未处理的食物和一份未处理的甲氟菊酯诱饵，或一份未处理的食物和一份 Spinosad 诱饵（阳性对照），持续 5 天。大多数苍蝇死亡发生在 Spinosad 之间 0 到 48 小时和甲氟菊酯之间 48 到 96 小时。在商业奶牛场，与糖或吡虫啉诱饵相比，家蝇对甲氟菊酯诱饵的访问和消耗更高。苍蝇很少访问或消耗吡虫啉诱饵。从甲氟菊酯诱饵（单次暴露）直接收集的田间苍蝇中，约 32%在实验室中与未处理的食物一起放置 72 小时后死亡，而来自糖或吡虫啉诱饵的苍蝇死亡率<5%。从野外品系和敏感实验室品系中分离的实验室饲养的雌性个体，在暴露于未处理的干奶/糖、甲氟菊酯诱饵、Spinosad 诱饵和吡虫啉诱饵后，在实验室中进行了录像。野外品系苍蝇中吡虫啉诱导的死亡率较低；当在诱饵上时，它们的进食时间比例（38%）低于实验室品系苍蝇（63%）。野外品系的进食更具可变性，除了甲氟菊酯外，它们对所有诱饵/食物来源的进食量都较少。甲氟菊酯作为一种作用缓慢的苍蝇诱饵具有很大的潜力。
