An article in yesterday's Reforma, a daily newspaper, suggests that the cockroach effect is happening on a regional level in Mexico.
一个名为Reforma的日报昨天报道墨西哥正发生区域性的蟑螂效应。
Objective To observe the effect of AB cockroach attractant on Periplaneta americana and Blattella germanica.
目的观察AB型蟑螂引诱剂对美洲大蠊和德国小蠊的引诱效果。
Objective:To know the killing effect of pyrethroid preparation against cockroach;
目的：了解拟除虫菊酯类制剂杀灭蟑螂的效果；
Method: Density investigation: stick catch; Chemical methods: applying high effect cockroach bait.
方法：密度调查采用粘捕法，化学防制采用高效灭蟑毒饵。
The test of effect of killing cockroach of COMBAT poison bait was carried out in 1996.
1996年现场试验结果证明：美国威灭杀蟑药饵对黑胸大蠊的防效好（99。
The test of effect of killing cockroach of COMBAT poison bait was carried out in 1996.
1996年现场试验结果证明：美国威灭杀蟑药饵对黑胸大蠊的防效好（99。
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