Horizontal transfer of parthenogenesis-inducing "Wolbachia", which has been observed in "Trichogramma" wasps, causes infected females to asexually produce fertile females and nonfunctional males.
Horizontal transfer of parthenogenesis-inducing "Wolbachia" causes infected females to asexually produce fertile females. Horizontal transfer of parthenogenesis-inducing "Wolbachia" causes infected females to asexually produce nonfunctional males. Parthenogenesis-inducing "Wolbachia" has been observed in "Trichogramma" wasps.