Alexander M K, Merritt R W, Berg M B
Department of Entomology, Michigan State University, East Lansing 48824, USA.
J Am Mosq Control Assoc. 1997 Jun;13(2):189-92.
Control of the midge, Paratanytarsus grimmii, infesting municipal water systems has proven to be difficult, because it is a parthenogenetic species that can oviposit as a pharate adult and reproduce within the system. Mean densities of P. grimmii in a midwestern USA water distribution system ranged from approximately 140 to 560 individuals/sampling date, and all 4 instars and pupae were present throughout the sampling period. Two products were tested as potential chemical controls: Cat-Floc LS, a coagulant produced by the Calgon Corporation, and 35% hydrogen peroxide, a water purifier. The results of laboratory bioassays showed that Cat-Floc LS over a 15-day period was most effective against P. grimmii.
事实证明，控制侵扰市政供水系统的摇蚊（Paratanytarsus grimmii）很困难，因为它是孤雌生殖物种，能够以准成虫状态产卵并在系统内繁殖。美国中西部一个供水系统中，格林摇蚊的平均密度在每个采样日约为140至560只个体，在整个采样期间，所有4个龄期和蛹期均有出现。测试了两种产品作为潜在的化学防治剂：Calgon公司生产的混凝剂Cat-Floc LS和一种净水器——35%的过氧化氢。实验室生物测定结果表明，在15天的时间里，Cat-Floc LS对格林摇蚊最有效。
