KAREL SLAMA CARROLL M.WILLIAMS 'Paper Factor'as an Inhibitor of the Embryonic Development of the European Bug,Pyrrhocoris apterus Nature210,329-330(16 April1966) 5th instar 眷 DIES 5th instar '6th'instar '7th'instar 丝时泽：多单鸡举弹生理 bus-yomy WEi Tha Aoulc小u3y/yo净a