
Aphids attacked by a parasitic wasp larva transform into a "mummy" and die. The adult wasp then emerges through a circular hole chewed in the back end of the aphid. (Marlin E. Rice)

Aphids attacked by a parasitic wasp larva transform into a "mummy" and die. The adult wasp then emerges through a circular hole chewed in the back end of the aphid. (Marlin E. Rice)
Links:
[1] http://www.ipm.iastate.edu/ipm/icm/node/114