同时，气候变暖还增加了蒙古国东部、内蒙古东部和俄罗斯赤塔州二代幼虫发生频率，进而留下大量越冬虫茧。
Moreover , warming increased the frequency of second-generation larvae in East Mongolia , East Inner Mongolia and Chita of Russia , further leaving a large number of overwintering cocoons . 9 .
赤塔