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The Journal of Heredity 1978:69(2):113-116
© 1978 The American Genetic Association 69:113-116

research-article

A flightless mutation in the wasp Habrobracon juglandis

ROBERT M. PETTERS, DANIEL S. GROSCH, and CLARK OLSON

The authors are, respectively, post-doctoral fellow, Department of Biology, Yale University, New Haven, Connecticut 06520; professor, and post-doctoral fellow, Department of Genetics, North Carolina State University, Raleigh, North Carolina 27607

Abstract

A recessive flightless (fls) mutation in Habrobracon has been described. Mutant wasps do not initiate flight under any conditions. Fate mapping using diploid-haploid gynandromorphs indicate that the focal point for fls is localized in the anterior ventral portion of the blastoderm fate map. This location of the flightless focus is consistent with the gene defect being in muscle or nervous tissue. Dissections after Bouin's fixation revealed differences between normal and mutant indirect flight muscles. Electron microscopy of the flight muscles showed normal ultrastructure in flightless wasps.


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