Hamm Ronda L, Kaufman Phillip E, Reasor Colleen A, Rutz Donald A, Scott Jeffrey G
Department of Entomology, Comstock Hall, Cornell University, Ithaca, NY 14853-0901, USA.
Pest Manag Sci. 2006 Jul;62(7):673-7. doi: 10.1002/ps.1230.
The lesser mealworm, Alphitobius diaperinus (Panzer), is an important pest in poultry facilities. The toxicity of cyfluthrin and tetrachlorvinphos to five strains of the lesser mealworm was compared with the toxicity to a susceptible laboratory strain. Bioassays were carried out with both larvae and adults. For the susceptible strain, cyfluthrin and tetrachlorvinphos had similar toxicity to adults, but cyfluthrin was 5 times more toxic to larvae when compared with tetrachlorvinphos. High levels of resistance to tetrachlorvinphos in two beetle strains were detected in both larvae and adults, although these strains were heterogeneous and still contained susceptible individuals. Resistance to cyfluthrin ranged from 1.7- to 9.5-fold for adults and from 0.5- to 29-fold for larvae at the LC(95). Overall, the patterns of resistance did not mirror the insecticide use patterns reported at these facilities. The implications of these results to management of the lesser mealworms are discussed.
小黄粉虫（Alphitobius diaperinus (Panzer)）是家禽养殖设施中的一种重要害虫。将氟氯氰菊酯和毒死蜱对五株小黄粉虫的毒性与对一个易感实验室品系的毒性进行了比较。对幼虫和成虫都进行了生物测定。对于易感品系，氟氯氰菊酯和毒死蜱对成虫的毒性相似，但与毒死蜱相比，氟氯氰菊酯对幼虫的毒性高5倍。在两个甲虫品系的幼虫和成虫中均检测到对毒死蜱的高水平抗性，尽管这些品系是异质的且仍含有易感个体。在LC(95)时，成虫对氟氯氰菊酯的抗性倍数为1.7至9.5倍，幼虫为0.5至29倍。总体而言，抗性模式与这些设施报告的杀虫剂使用模式并不相符。讨论了这些结果对小黄粉虫管理的影响。
