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

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Copyright © 2019 Bertoldi, Rondoni, Brodeur and Conti.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Residence time (mean percentage ± SE) of Trissolcus japonicus females in the treatment vs. control arm of a Y-tube olfactometer designed for “close-distance” assays. Treatments were volatiles of: a single egg mass of Halyomorpha halys (HhEggs); H. halys gravid females (HhFem); H. halys males (HhMal); a single egg mass of Podisus maculiventris (PmEggs); P. maculiventris gravid females (PmFem); P. maculiventris males (PmMal). Air was used as control (Air). Data were analyzed by means of GLMs (^**p < 0.01; ^*p < 0.05; ns: not significant).