Metamorphosis of the Motor System During the Development of Moths
The basic motor patterns for locomotion in insects are well known, and in locust flight and cockroach walking there has been significant progress in understanding the central nervous mechanisms producing the motor output (Burrows; Fourtner; Pearson; this volume). A wealth of information about adult patterns provides the necessary background for investigations of the development of the motor system (Young, 1973; Altman, 1975; Kammer and Rheuben, 1976). Large Lepidoptera provide particularly favorable material for such investigations. This communication summarizes the results of studies on adults, larvae, and pupae of a hawkmoth, Manduca sexta.
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