WParasitism
WParasitic castration
WAggregated distribution
WAnautogeny
WHeteroxeny
WHost switch
WHost–parasite coevolution
WKleptothermy
WMermithergate
WMonoxenous development
WNectar robbing
WParasite load
WParasite-stress theory
WParasitoid
WParasitoid wasp
WSlave-making ant