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Head critical period and juvenile hormone titre during the last larval instar of the cockroach,Periplaneta americana

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Abstract

From neck ligation experiments with last instar larvae of the cockroachPeriplaneta americana it was concluded that the head critical period is reached around day 17, which corresponds to 59% of the last larval stage. At the same stage the juvenile hormone III titre in the hemolymph dropped to undectable levels.

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Authors and Affiliations

  1. Forschungsgruppe Prof. Dr. H. Penzlin, Sächsische Akademie der Wissenschaften zu Leipzig, Postfach 100322, D-07703, Jena, Germany

    K. Richter & G. -A. Böhm

  2. Max-Planck-Institut für Biochemie, D-82152, Martinsried, Germany

    H. Rembold

Authors
  1. K. Richter
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  2. G. -A. Böhm
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  3. H. Rembold
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Richter, K., Böhm, G.A. & Rembold, H. Head critical period and juvenile hormone titre during the last larval instar of the cockroach,Periplaneta americana. Experientia 51, 1094–1096 (1995). https://doi.org/10.1007/BF01946924

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  • DOI: https://doi.org/10.1007/BF01946924

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