Abstract
Mate competition and selection of mates is strongly influenced by the organism's mating system. Earlier it was considered the monogamous matings provide more benefits as compared to polygamous matings. However, later studies have proven that in polygamous system, females gain resources and, genetic benefits from the males, thereby indulging in multiple mating, leading males to access maximum females. In ladybird, Menochilus sexmaculatus, mate choice has been studied on several pre-and postcopulatory factors. However, mate choice on the basis of mating system is still remains untouched. In the present study, we hypothesised that mating system modulates the mate selection of beetles either in isolation or in combination. Adults were isolated on the basis of different mating systems and then males and females were subjected to mate choice trials. In second experiment we have also included relatedness as combining factor and its effect was observed on mate choice. This effect of mating system was not confined only to mate choice but was also observed on mating and reproductive parameters.
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