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. 2019 Nov 15;9(11):0. doi: 10.3390/bs9110115

Figure 2.

Figure 2

Free running period (τ) of (A) virgin males, (B) virgin females, (C) mated males, and (D) mated females in Nasonia vitripennis populations collected along a latitudinal gradient in Europe. Asterisks indicate a significant effect of location along the cline (*** p < 0.001 and ** p < 0.05, linear mixed effect model). Effect of sex: LRT = 2.22, p = 0.13; effect of mating status: LRT = 44.32, p < 0.01; effect of location: LRT = 38.38, p < 0.01; effect of location for virgin females LRT = 14.56, p < 0.05 and for mated males LRT = 13.02, p < 0.05.