Males and females have conflicting interests on the frequency and outcomes of mating interactions.Males maximize their fitness by mating with as many females as possible,whereas choosy females often reduce receptivity...Males and females have conflicting interests on the frequency and outcomes of mating interactions.Males maximize their fitness by mating with as many females as possible,whereas choosy females often reduce receptivity following copulation.Alternative male mating tactics can be adaptive in their expression to a variety of mating contexts,including interactions with a relatively unreceptive mated female.Male Rabidosa punctulata wolf spiders can adopt distinctive mating tactics when interacting with a female,a complex courtship display,and/or a more coercive direct mount tactic that often involves grappling with females for copulation.In this study,we set up female mating treatments with initial trials and then paired mated and unmated females with males to observe both female remating frequencies and the male mating tactics used during the interactions.Males adopted different mating tactics depending on the mating status of the female they were paired with.Males were more likely to adopt a direct mount tactic with already-mated females and courtship with unmated females.Already-mated females were considerably less receptive to males during experimental trials,although they did remate 34%of the time,the majority of which were with males using a direct mount tactic.Whereas males adjusting to these contextual cues were able to gain more copulations,the observation of multiple mating in female R.punctulata introduces the potential for sperm competition.We discuss this sexual conflict in terms of the fitness consequences of these mating outcomes for both males and females.展开更多
In the article"Multiple mating by both sexes in an invasive insect species,Aethina tumida(Coleoptera:Nitidulidae)"by A.Papach et al.(Insect Science,2023,30,517529,https://doi.org/10.1111/1744-7917.13112),the...In the article"Multiple mating by both sexes in an invasive insect species,Aethina tumida(Coleoptera:Nitidulidae)"by A.Papach et al.(Insect Science,2023,30,517529,https://doi.org/10.1111/1744-7917.13112),the microsatellite loci used to determine multiple mating by females(Table 3)turned out to be all located on the sex X-chromosome(with the exception of B89,Evans et al.,2008;see Huang et al.,2023).Since males have only one copy of X chromosome,the estimates of multiple mating by females needs to be corrected as follows:(1)direct allele counts:the minimum number of sires for each family was the number of nonmaternal alleles at the locus with the most alleles;(2)COLONY software(Jones&Wang,2010):the settings were changed from diploid dioecious species to haplodiploid dioecious species(with males being haploid).展开更多
基金This research was funded by the McPherson College Department of Natural Sciences.
文摘Males and females have conflicting interests on the frequency and outcomes of mating interactions.Males maximize their fitness by mating with as many females as possible,whereas choosy females often reduce receptivity following copulation.Alternative male mating tactics can be adaptive in their expression to a variety of mating contexts,including interactions with a relatively unreceptive mated female.Male Rabidosa punctulata wolf spiders can adopt distinctive mating tactics when interacting with a female,a complex courtship display,and/or a more coercive direct mount tactic that often involves grappling with females for copulation.In this study,we set up female mating treatments with initial trials and then paired mated and unmated females with males to observe both female remating frequencies and the male mating tactics used during the interactions.Males adopted different mating tactics depending on the mating status of the female they were paired with.Males were more likely to adopt a direct mount tactic with already-mated females and courtship with unmated females.Already-mated females were considerably less receptive to males during experimental trials,although they did remate 34%of the time,the majority of which were with males using a direct mount tactic.Whereas males adjusting to these contextual cues were able to gain more copulations,the observation of multiple mating in female R.punctulata introduces the potential for sperm competition.We discuss this sexual conflict in terms of the fitness consequences of these mating outcomes for both males and females.
文摘In the article"Multiple mating by both sexes in an invasive insect species,Aethina tumida(Coleoptera:Nitidulidae)"by A.Papach et al.(Insect Science,2023,30,517529,https://doi.org/10.1111/1744-7917.13112),the microsatellite loci used to determine multiple mating by females(Table 3)turned out to be all located on the sex X-chromosome(with the exception of B89,Evans et al.,2008;see Huang et al.,2023).Since males have only one copy of X chromosome,the estimates of multiple mating by females needs to be corrected as follows:(1)direct allele counts:the minimum number of sires for each family was the number of nonmaternal alleles at the locus with the most alleles;(2)COLONY software(Jones&Wang,2010):the settings were changed from diploid dioecious species to haplodiploid dioecious species(with males being haploid).
