摘要
本文运用DYAR氏法则和头宽生长曲线,推算出梨瘿华蛾幼虫分五个龄期,推算结果经回归分析,龄期与幼虫头宽的测量值呈极显著的指数曲线关系。
DYAR’s law and growth curve of head shell are used in the parsed Five inst- ars of Sinitinea Pyrigolla YANG has been calculated, with regression analyse, ex- penential curve relation between instars and measures of Larva’s head shell is si gnificantly showed.
