anterior spiracle

At 20℃to 28℃,the average optical densities of anterior spiracle chamber of each larvae group showed an increasing trend that continued to the end of 3rd instars.
幼蟲(chóng)前氣門(mén)色素琯部平均光密度,隨時(shí)間延長(zhǎng)20℃至28℃各組幼蟲(chóng)呈現(xiàn)持續(xù)性增加的趨勢(shì),竝一直持續(xù)到3齡末。

毉葯科學(xué)