Cannibalism among insects is very common and happens for many reasons,but among montises there is a kind of cannibalism,that not only the male kind choose to be eaten but he will fight for it and destroys the opponents.
when the capulate starts , the female starts to eat him from up to down of his body to receive the energy for foetus’s growing. Because the male sex organ is in lower part of his body, mean while he continues copulate until his last peace will be eaten.

Masajets, who have been lived about 400 years bc in northeast of khazar sea,for commemoration of their old relatives and the people they love,used to sacrificing them