Enterobius vermicularis

Adult female

Enterobius
  • 0.8-1.3 cm.in length , spindle-shaped with a long pointed posterior end.
  • Anterior part has dorsoventral bladder-like expansions of cuticula (cervical alae).
  • Rhabditiform esophagus.
  • The greater part of the body is occupied by the uterus filled with eggs.