Females choice the male by larger size if it's a small size and not fit then she will cannibalize him. What is sexual cannibalism and why do some animals do it? “Starving females are usually in poor physical condition and are therefore more likely to cannibalize a male than to mate with him.” this means that female spiders are usually are not eating enough food so female spiders eat males.“Among mantises, …show more content…
Males more likely to mate when the female is distracted or occupied. The factors driving sex and death may just come down to the male’s hunger for sex and the female’s actual hunger. This means that it depends on the male and female lack of hunger for sex.“Opportunistic mating has been characterized in numerous orb-weaving spider species, such as Nephila fenestrata, where the male spider waits until the female is feeding or distracted, and then proceeds with copulation; this greatly reduces the chances of cannibalization” (wikipedia 6) This means that male's approaches to the female while she is eating food or occupied and then have sex with the female.“This is evident in the mantis species tenodera aridifolia where the male alters his approach utilizing the surrounding windy conditions.The male attempts to avoid detection by approaching the female when the wind impairs her ability to hear him”.This means the male does not want to be detected by the female to avoid being killed by the female. The male approaches to the female when the wind damage the female ability to hear