Sentence Examples

  • P. Marchal has (1904) described this power in two small parasitic Hymenoptera - a Chalcid (Encyrtus) which lays eggs in the developing eggs of the small moth Hyponomeuta, and a Proctotrypid (Polygnotus) which infests a gall-midge (Cecidomyid) larva.
  • Xiv., xvii., 1901-1903); P. Marchal (Arch.
  • The " polyembryonic " development of an Encyrtus, as studied by P. Marchal, is highly remarkable.
  • A similar specialization has been observed by Marshall Ward in the Puccinia parasitic on species of Bromus, and by Neger, Marchal and especially Salmon in the Erysiphaceae.

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