sentences:  It therefore seems unlikely that sperm from other males could be inseminated when a male that has himself suffered traumatic insemination mates with a females.The costs and benefits, if any, of homosexual traumatic insemination in "Afrocimex" remain unknown.Klaus Reinhardt of the University of Sheffield and colleagues observed two morphologically different kinds of spermalege in "Afrocimex constrictus", a species in which both male and females are traumatically inseminated.