caa a22 4500 606165045 CHVBK 20210128100651.0 cr unu---uuuuu 210128e20150401xx s 000 0 eng 10.1007/s10144-015-0492-3 doi (NATIONALLICENCE)springer-10.1007/s10144-015-0492-3 Conflicting intersexual mate choices maintain interspecific sexual interactions [Elektronische Daten] [Koh-Ichi Takakura, Takayoshi Nishida, Keisuke Iwao] Reproductive interference, interspecific sexual interactions that affect reproductive success, is found in various taxa and has been considered as a fundamental source of reproductive character displacement (RCD). Once RCD has occurred, persistent interspecific sexual interactions between species pairs are expected to diminish. However, reproductive interference has been reported from some species pairs that sympatrically coexist. Thus, the question arises, can reproductive interference persist even after RCD? We modeled the evolutionary dynamics of signal traits and mate recognition that determine whether interspecific sexual interactions occur. Our models incorporate male decision making based on the recognition of signal traits, whereas most previous models incorporate only female decision making in mate selection. Our models predict the following: (1) even when male decision making is incorporated, males remain promiscuous; (2) nevertheless, the frequency of interspecific mating is maintained at a low level after trait divergence; (3) the rarity of interspecific mating is due to strict female mate recognition and the consequent refusal of interspecific courtship by females; and (4) the frequency of interspecific mating becomes higher as the cost to females of refusing interspecific courtship increases. These predictions are consistent with empirical observations that males of some species engage in infrequent heterospecific mating. Thus, our models predict that reproductive interference can persist even after RCD occurred. The Society of Population Ecology and Springer Japan, 2015 Individual-based model nationallicence Interspecific courtship nationallicence Interspecific mating nationallicence Reproductive character displacement nationallicence Sexual conflict nationallicence Takakura Koh-Ichi Osaka City Institute of Public Health and Environmental Science, 8-34 Tojo-cho, Tennoji-Ku, 543-0026, Osaka, Japan aut Nishida Takayoshi Department of Ecosystem Studies, The University of Shiga Prefecture, 522-8533, Hikone, Shiga, Japan aut Iwao Keisuke Faculty of Sociology, St. Andrew's University, Manabino, 594-1198, Izumi, Japan aut Population Ecology Springer Japan 57/2(2015-04-01), 261-271 1438-3896 57:2<261 2015 57 10144 https://doi.org/10.1007/s10144-015-0492-3 text/html Onlinezugriff via DOI BK010053 XK010053 XK010000 Metadata rights reserved Springer special CC-BY-NC licence nationallicence 1 research-article jats NATIONALLICENCE NATIONALLICENCE NL-springer NATIONALLICENCE 856 40 https://doi.org/10.1007/s10144-015-0492-3 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Takakura Koh-Ichi Osaka City Institute of Public Health and Environmental Science, 8-34 Tojo-cho, Tennoji-Ku, 543-0026, Osaka, Japan aut NATIONALLICENCE 700 1- Nishida Takayoshi Department of Ecosystem Studies, The University of Shiga Prefecture, 522-8533, Hikone, Shiga, Japan aut NATIONALLICENCE 700 1- Iwao Keisuke Faculty of Sociology, St. Andrew's University, Manabino, 594-1198, Izumi, Japan aut NATIONALLICENCE 773 0- Population Ecology Springer Japan 57/2(2015-04-01), 261-271 1438-3896 57:2<261 2015 57 10144