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. 2019 Jul 4;10:746. doi: 10.3389/fphys.2019.00746

Figure 1.

Figure 1

Residence time (mean percentage ± SE) of Trissolcus japonicus females in the treatment vs. control arm of a Y-tube olfactometer designed for “long-distance” assays. Treatments were volatiles from tomato plants, where: a Halyomorpha halys female had fed and oviposited (P+HhEggs); a H. halys female had fed but did not oviposit (P+HhFeed); a Podisus maculiventris female had fed and oviposited (P+PmEggs); a P. maculiventris female had fed but did not oviposit (P+PmFeed). Volatiles from clean tomato plants were used as controls (CP). Data were analyzed by means of GLMs (**P < 0.01; ns: not significant).