In Russia the small Asiatic cockroach has everywhere driven before it its great congener.

俄罗斯，小亚洲蟑螂到处都驱赶它类。

We have seen that a species under new conditions of life may change its habits, or it may have diversified habits, with some very unlike those of its nearest congeners.

我们经看到， 一个物种生活条件下可能会改变它习性， 或者它可能具有多样化习性， 其中一些习性与其最接近类非常不。