结果表明，两种烟雾杀虫剂对该蚤各龄期卵的熏杀作用颇佳，对12～24小时龄期卵的效果尤佳。

The resu it shows that two smoke insecticides have remarkable effect to kill the egg, especially to the 12-24 h egg.

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同时发现，不含杀虫剂的一般烟雾对该蚤的卵亦有熏杀作用，即用一股烟雾处理1.5小时后，孵化率只有10.8%。

It is discovered that the general smoke which not contains insecticide can also kill the egg. The incubation rate is only 10.8% when the egg was treated by general smoke for 1.5 h.

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