方法 提取德国小蠊聚集信息素，用气相色谱检测各组分的相对含量。
Methods The aggregation pheromone was extracted from epidermis and analysed by gas chromatography(GC).
蚁群在信息素的引导下逐步向最优食物源聚集。
Ants aggregate gradually around the optimal food source under the direction of pheromone.
蚁群在信息素的引导下逐步向最优食物源聚集。
Ants aggregate gradually around the optimal food source under the direction of pheromone.
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