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。

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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。

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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；

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