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De‐alation, flight muscle histolysis, and oocyte development in the striped ground cricket, Allonemobius fasciatus
Author(s) -
TANAKA SEIJI
Publication year - 1986
Publication title -
physiological entomology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.693
H-Index - 57
eISSN - 1365-3032
pISSN - 0307-6962
DOI - 10.1111/j.1365-3032.1986.tb00436.x
Subject(s) - cricket , corpus allatum , biology , oocyte , medicine , endocrinology , juvenile hormone , anatomy , zoology , microbiology and biotechnology , embryo , hormone
. Removal of hindwings from long‐winged females of the striped ground cricket, Allonemobius fasciatus , DeGeer (Gryllidae), induces flight muscle histolysis and oocyte development. Such females develop oocytes as rapidly as do short‐winged forms, while intact long‐winged females retain their flight muscles and develop few oocytes. Flight muscle histolysis occurs in starved long‐winged females when they are de‐alated. However, such females fail to mature oocytes. Implantation of corpora allata (CA) into long‐winged females results in flight muscle histolysis as well as oocyte maturation even if their hindwings remain intact, indicating that flight muscle histolysis can take place without de‐alation. It is likely that the CA are responsible for both flight muscle histolysis and oocyte development, and that CA activity is enhanced by de‐alation.