An integral part of the courtship sequence of the German cockroach (Blattella germanica)
involves the male raising his wings to expose tergal glands on his dorsum. When a female …

1. In various insect and spiders, males offer nuptial food gifts to females during copulation
that enhance male fitness either directly through their effects on male fertilisation success or …

Nuptial food gift provisioning by males to females at mating is a strategy in many insects that
is thought to be shaped by sexual conflict or sexual selection, as it affords males access to a …

The courtship, copulation and post-copulatory behavior, as well as acoustic communication
of the Neotropical cricket Endecous (Notendecous) onthophagus is described under …

Nuptial gift-giving is one of the most remarkable traits to have evolved among animal mating
systems, and has brought about numerous hypotheses regarding their evolution and …

Highlights•Inbred female crickets produced fewer offspring than outbred females.•Inbred
females preferred males of their own inbred line over outbred males.•Outbred males were …

Sexually antagonistic coevolution is predicted to lead to the divergence of male and female
genotypes related to the effects of substances transferred by males at mating on female …

Nuptial gifts serve to increase donor fitness through a variety of pathways independent of
their effect on the recipient. Some nuptial gifts deliver benefits similar to those of antagonistic …

Background: Divergence in the evolutionary interests of males and females leads to sexual
conflict. Traditionally, sexual conflict has been classified into two types: inter-locus sexual …

Accessory gland proteins contained within male ejaculates influence female reproduction
and survival in insects. Nuptial food gifts offered by male crickets and katydids, the …