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几年来我们从研究小地老虎Agrotis Ypsi-lon Rottembery越冬代成虫发生消长规律及雌蛾卵巢发育情况着手,联系迁飞性昆虫的特性,结合气象资料分析,从以下八点论证我省早春虫源性质。 1.越冬调查与早春蛾量 1968年12月我们在安阳、西华、扶沟、方城、郑州等地调查,在1,009平方米的样点内未查得小地老虎。1978
Over the past few years, we study the growth and development of overwintering adult Agrotis Ypsi-lon Rottembery adult oviparous and the development of the ovary of female moths, and the characteristics of migratory insects, combined with the meteorological data analysis, from the following eight demonstrations of early spring insect sources in our province nature. 1. Winter Survey and Early Moth Quantity In December 1968, we investigated in Anyang, Xihua, Fugou, Fangcheng, Zhengzhou and other places, and did not check the small tigers in the sample area of 1,009 square meters. 1978