▪ Abstract Host plant quality is a key determinant of the fecundity of herbivorous insects.
Components of host plant quality (such as carbon, nitrogen, and defensive metabolites) …

Mate choice by males has been recognized at least since Darwin's time, but its phylogenetic
distribution and effect on the evolution of female phenotypes remain poorly known …

It is becoming increasingly clear that the evolutionary interests of the sexes are often in
conflict when it comes to mating. Sexual encounters involving nuptial gifts, however, have …

Although the primary function of mating is gamete transfer, male ejaculates contain
numerous other substances that are produced by accessory glands and transferred to …

Many male animals have evolved exaggerated traits that they use in combat with rival males
to gain access to females and secure their reproductive success. But some male animals …

1. There are numerous data that support the trade‐off between flight capability and
reproduction in female wing polymorphic insects, but the relationship between wing form …

Multiple mating by females is a subject of considerable controversy. In some species,
however, females appear to mate only once, and the potential costs and benefits of this …

Recent theory and empirical evidence suggest a role for sexual conflict in the evolution of
male ejaculates, including 'nuptial gifts'. According to the sexual conflict hypothesis, the …

Encarsia sophia is the dominant parasitoid of invasive whitefly pest such as Bemisia tabaci.
This heteronomous hyperparasitoid species lays fertilised diploid eggs in whitefly nymphs …

Male–male competition is strongly affected by female presence. In insects with primitive
features such as megalopterans, however, it is not known how aggressiveness is expressed …