1. Guangxi Institute of Sericulture Science, 10 Xiajun Road, Nanning 530007, China
2. Department of Sericulture, Shenyang Agricultural University, 120 Dongling Road, Shenyang 110866, China
3. State Key Laboratory of Silkworm Genome Biology, Southwest University, 2 Tiansheng Road, Chongqing 400715, China