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<正> 家蚕体内存在4种激素:促前胸腺激素(PTTHs:Ishizaki和Suzuki,1980;Nagasawa等,1984;NishiitsutsujiUwo和Nishimura,1984;Matsuo等,1985)、滞育激素(Isobe和Goto,1980;Yamashita和Hasegawa,1985)、羽化激素(Morohoshi和Fugo,1977;Fugo和Iwata,1983a,b;Nagasawa等,1983、1985)和黑化、红化激素(Matsumoto等,1980,198