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台州市于1997年6—9月开展了灭蟑螂达标活动,使蟑螂成若虫、卵鞘侵害率和蟑迹阳性率由灭前的50.8％、28.07％和36.49％分别降到2.36％、0.91％和3.60％,蟑螂成若虫和卵鞘指数由灭前的3.51只/间和3.96只/间分别降到3.55只/间和1.85只/间,实现了“一役达标”。接着,积极做好巩 固、监测工作,蟑螂密度控制在标准范围内。1998年8月,通过省无蟑考核鉴定组考核,蟑螂成若虫侵害率为0.58％、指数2.0只/间,卵鞘侵害率0.49％、指数1.45只/间,蟑迹阳性率0.89％,均达到灭蟑先进城区标准。
Taizhou City in June-September 1997 to carry out cockroach standard activities, so that cockroaches into nymphs, egg sheath damage rate and the positive rate of cockroaches from pre-off 50.8%, 28.07% and 36.49% to 2.36%, 0.91% And 3.60% respectively. The index of cockroach into nymphs and egg sheath decreased from 3.51 / room to 3.96 / room before extinction to 3.55 / room and 1.85 house / room, respectively. Then, actively consolidate and monitor the work, cockroach density control within the standard range. In 1998 August, the province without cockroach assessment team assessment, cockroach into nymphs infringement rate was 0.58%, index 2.0 / room, egg sheath infiltration rate 0.49%, index 1.45 / room, cockroach positive rate of 0.89%, both Achieve cockroach advanced city standards.