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Phenotypic plasticity occurs when a particular genotype assumes different phenotypes depending on its environment. In this… Expand Multiple spermathecae potentially allow selective sperm use, provided that sperm from rival males are stored differentially, that… Expand Despite the ubiquity with which patterns of sperm utilization have been studied, the mechanisms underlying fertilization in… Expand We examine data on copula duration in dung flies, Scatophaga stercoraria, in relation to female phenotype. We use a marginal… Expand Abstract Recent studies of non-random paternity have suggested that sperm selection by females may influence male fertilization… Expand Intraspecific variation in the proportion of offspring sired by the second male to mate with a female (P2) is an aspect of sperm… Expand This paper extends the sperm displacement model of Parker et al. (Behav. Ecol. Sociobiol. 27, 55 (1990)), in which sperm… Expand Sexual pairing in the fly Scatophaga stercoraria involves ‘capture’ of females by males. Sizerelated choice by males and females… Expand The behavior of males near the oviposition site of Scatophaga stercoraria is highly variable, being dependent on male size and on… Expand The present series of papers is aimed towards constructing a comprehensive model of sexual selection and its influence on… Expand