甘肃省蟑螂危害状况调查研究

目的了解甘肃省蟑螂的危害状况,为蟑螂的防制提供科学依据。方法现场检查蟑螂成虫或若虫,卵鞘和蟑迹。结果甘肃省14个市(州)有10个市不同程度受到蟑螂的危害,占71.43%。调查房间1400间,阳性房间247间,阳性率17.64%。危害较重的有天水、酒泉、兰州,分别为71%、50%、26%。种群以德国小蠊为主,其次为日本大蠊。结论甘肃省蟑螂危害呈逐年上升与蔓延趋势。

Investigation on the Bane Conditions of Cockroach in Gansu Province

Objective To learn the bane conditions of cockroach in Gansu province and providing the science data for the cockroach prevention and controlling.Methods Inspecting the imago or nympha of cockroach,nit and the trace of cockroach on the spot.Results there are ten cities have been invaded by the cockroach in Gansu province,the endanger rate is 71.43%.We investigated 1400 rooms and found 247 positive rooms which have been existed cockroaches;the positive rate is 17.64%.The cities which were endangered heavier are Tianshui City,Jiuquan City and Lanzhou City,the positive rate is 71%、50%、26%.The main group is the blattella germanica,secondly Periplaneta japonica Conclusion The bane of the cockroach is rising and spreading year by year in Gansu province.