Sperm Storage and Use After Multiple Mating in Dinarmus basalis (Hymenoptera: Pteromalidae)

  title={Sperm Storage and Use After Multiple Mating in Dinarmus basalis (Hymenoptera: Pteromalidae)},
  author={Claude Chevrier and Christophe Bressac},
  journal={Journal of Insect Behavior},
Multiple mating and its effects on the sex ratio in Dinarmus basalis (Hymenoptera: Chalcidoidea, Pteromalidae), an ectoparasitoid of Callosobruchus maculatus (Coleoptera: Bruchidae), were investigated under controlled conditions. Once-mated females suffer a sperm depletion about 21 days after mating and thereafter are constrained to produce only haploid males. On the other hand, three-times-mated females store more sperm in their spermathecae (335 vs 147) and produce daughters during the major… CONTINUE READING
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