Occurrence of multiparasitism in third instar larvae and pupae of Chrysomya megacephala (Fabricius) in field conditions. During research experiment involving parasitism of third instar larvae and pupae of Chrysomya megacephala (Fabricius, 1794) in Rio de Janeiro city, Brazil, it was found 1.83% of multiparasited pupae in Instituto Oswaldo Cruz (IOC) and 2.16% in Jardim Zoologico (ZOO). The exposition were conducted weekly from August 1999 to July 2000. The multiparasited pupae contained two Hymenoptera parasitoids species [Tachinaephagus zealandicus Ashmead, 1904 and either Pachycrepoideus vindemiae (Rondani, 1875) or Nasonia vitripennis (Walker, 1836)]. 72.73% of the multiparasitism occurred at ZOO in July. T zealandicus and P. vindemiae supported their respective gregarious and solitary natural conditions, respectively, but N. vitripennis sometimes behaved as solitary.
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Utsunomiya A, 2002, ENTOMOL EXP APPL, V104, P353, DOI 10.1023/A:1021205421400