S1. Characteristics of 13 microsatellite primers used in this study, developed by Wang et al. 2009. All primers annealed at 49°C Locus Primer sequence (5'-3') Reference repeat motif Fluorescent label No. alleles Product size (bp) EST_016 CTATCTGTGTATGATCAGGACTA (AAC)7 FAM 2 97-111 (TAA)21 FAM 3 119-125 (TC)8 VIC 6 97-114 (TGA)7 PET 4 127-136 (TG)12 VIC 2 96-129 (GAT)9 PET 2 117-123 (ATG)10 VIC 6 152-170 (TAA)9 VIC 19 131-179 (CA)10 FAM 5 116-123 (CA)12 PET 2 92-94 (AAT)9 VIC 12 164-197 (AATC)7 VIC 2 103-110 (TAA)8 PET 3 181-191 TCCATCTGTTGTGGAAACTGGT EST_032 AGGCACAAGAAAGTGGAAAACAA TGAAGGGATGTGAAGCATGGT EST_063 TATTGTAGTCGTTACGTAGGCT AACAATCGTGCATACTAGCTCA EST_097 TGACAACGACATCAATCATGGT ACAGCAGGAGCTGTCAGCACT EST_098 ACAAATTGCGCTCAAGTTGATG ACGGCTGCGAAGGAGTCTAGT EST_149 ACGTCAAATGGATTTTCACATGA AGGTGCTTCTCTTTCCTCAGA EST_181 TGATTGCTGAGAAAGCTAGAGAT GCCTCACCTTGCCTTGTACA EST_196 GTGTTGGCTATCTCATGTATAGT ACAACACATCATCAACAACAGCA EST_245 CAGAATGATATTTCTGCAGCACT CGCAATCGAGATTATAGGAAGA EST_254 GGTGACCAATCAGAGTCTTGA TACACTTGCTATAGTAACTTGCT WGS_112 ACTCCACTCAGTCCTATTACCA ACACTTCCAAGAGTCCCTACA WGS_153 TTTCCAAGTTGCTGTGAGTACA CGGGTGCTAAGCTTGCTCAA WGS_211 TGACGACGAAACGTTGGCTAT AGACCGTTTCCTTTAACCAGAA