摘要
宁波市1992年开展了大规模灭蟑达标活动,成、若虫侵害率由灭前的28.59%降至2.27%,密度指数(只/间)由2.57降至1.92;卵荚侵害率从7.79%降至1.38%,密度指数(只/间)从2.08降至1.37。灭后各项指标均达到“双5”、“双2”标准。
A wide-scale campaign of cockroach elimination was launched in Ningbo city in 1992, in order to reach the state standard. Adult and nvmph infestation rate dropped from 28.59% down to 2.27%. and its density index(individual/room) dropped from 2.57 to 1.92. Dropped on ootheca infestation rate from 7.79% to 1.38%, and its density index from 2.08 to 1.37. After the campaign, all indexes reached the 'Double five' and 'Double two' standards.
出处
《中国媒介生物学及控制杂志》
CAS
CSCD
1993年第2期90-92,共3页
Chinese Journal of Vector Biology and Control
关键词
达标
蜚蠊目
灭蟑螂
宁波市
Cockroach Infestation rate Density index Reach the standard
