Coexistence and Competition between Tomicus yunnanensis and T. minor (Coleoptera: Scolytinae) in Yunnan Pine

Table 1

The correlation between T. yunnanensis and T. minor in trunks and shoots of Yunnan pines.

	Bark beetles in trunks		Bark beetles in shoots
Month	Pearson correlation	Sig. (2 tailed)	Pearson correlation	Sig. (2 tailed)
11	−0.491	0.179	−0.126	0.729
12	−0.956	1.52E−05 **	0.169	0.642
1	−0.981	3.5E−09 **	0.768	0.009**

** Correlation significant at the 0.01 level (2-tailed).