The characteristic of leptotene, zygotene, pachytene, diploene and diakinesis was observed.The meiosis of Periplaneta Brunnea is similar to other Periplanetas.

• 细胞分裂过程中细线期、偶线期、粗线期、双线期、终变期染色体形态学特征,结果表明褐斑大蠊减数分裂过程与蜚蠊属其他种相似,符合一般规律。