By screening the worker(Apis cerana cerana)heads cDNA library, using a fragment of the mrjp3 gene of Apis cerana as probe, 120 positive clones were obtained.

• 以东方蜜蜂(Apis cerana)mrjp3 基因部分片段为探针筛选中华蜜蜂(Apis cerana cerana,简称中蜂)8 日龄工蜂头部 cDNA 文库,得到 120 个阳性克隆。