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本文报告用生长调节素化合物OMS_(1390)防制污水沟的致乏库蚊。幼虫密度调查,采用每10米长的污水沟,以标准幼虫勺,直线取样3勺。其幼虫密度每勺为1,000～2,000条;蛹的密度每勺为100～200条。用不同浓度0.001～1.0ppm的OMS_(1390)喷洒该污水沟。在处理后的每天,于污水沟里取蛹250只,携回实验室,在温度为28±2C、相对湿度80±10%的条件下,观察其羽化。试验结果说明,在污水沟里喷洒OMS_(1390)
In this paper, Culex pipiens quinquefasciatus, a compound of somatomedin OMS_ (1390), was used to control sewage sludge. Larval density survey, using every 10 meters long ditches to standard larvae spoon, a straight line sampling 3 scoops. The larvae density of 1,000 to 2,000 per scoop; pupa density of 100 to 200 per scoop. The sewage ditch was sprayed with OMS_ (1390) with different concentrations of 0.001 ~ 1.0ppm. In the treated day, 250 pupae were taken from the sewage ditch and brought back to the laboratory. The emergence was observed under the conditions of a temperature of 28 ± 2 C and a relative humidity of 80 ± 10%. The test results show that OMS_ (1390)