Table 2. Comparison of the COI gene evolution of two E. obliqua clades.

	n	h	S	Pi	D	Tajima's D	Fu and Li's D	Fu and Li's F
Clade I	53	17	21	0.00453	−2.068547	−2.16308**	−3.22719**	−3.38123**
Clade II	118	33	36	0.00332	−2.714675	−2.71467***	−5.25702**	−5.21491**

The letters n, h, S, Pi and D are the no. of E. obliqua samples, no. of mitochondrial DNA haplotype, no. of segregating sites, nucleotide diversity and genetic divergence respectively.

*: P<0.05;

**: P<0.02;

***: P<0.01.