The act of a feminine praying mantis consuming the male throughout or after mating is a phenomenon generally known as sexual cannibalism. This conduct, whereas seemingly grotesque, happens in a good portion of praying mantis species. Not all encounters end result within the feminine preying on the male, and the frequency varies relying on environmental circumstances, species, and the person mantises concerned. As an illustration, in some species, it’s a uncommon incidence, whereas in others, it’s a extra frequent side of their reproductive cycle.
Sexual cannibalism in praying mantises is hypothesized to supply a number of potential advantages. One outstanding principle means that it offers the feminine with a available supply of vitamins, particularly protein, that may be allotted to egg manufacturing. This dietary increase can result in the manufacturing of bigger egg circumstances or a larger variety of viable offspring. Moreover, some analysis signifies {that a} decapitated male may very well proceed to copulate, and even perhaps fertilize extra eggs, suggesting a reproductive benefit regardless of the deadly end result. The historic context is that scientists have noticed and documented this conduct for many years, main to varied hypotheses about its evolutionary origins and performance.