 He then soaks the semen into reservoirs on his pedipalps, which are larger than those of females.Females of many spider species, including "P. labiata", emit volatile pheromones into the air, and these generally attract males from a distance.The silk draglines of female jumping spiders also contain pheromones, which stimulate males to court females and may give information about each female's status, for example whether the female is juvenile, subadult or mature.