2. Primer pairs used in this study.
| Gene | Forward primer | Reverse primer | References |
| COI | Chmf4 (5'-TYTCWACWAAYCAYAAAGAYATCGG-3') | Chmr4 (5'-ACYTCRGGRTGRCCRAARAATCA-3') | Che et al., 2012 |
| COI | Dglco (5'-GGTCAACAAATCATAAAGAYATYGG-3') | Dghco (5'-TAAACTTCAGGGTGACCAAARAAYCA-3') | Meyer et al., 2005 |
| cyt b | PFGlu14140L(5'-GAAAAACCACTGTTGTHHYTCAACTA-3') | PFThr15310 (5'-CGGYTTACAAGACCGRTGCTTT-3') | Zhang et al., 2013 |