Reciprocal translocations and partial correlation of chromosomes in the stable fly

An initial investigation of the genetics of the stable fly, Stomoxys calcitrans (L.), is described. Two recessive, autosomal mutants, carmine eye (ca) and rolled down wing (rd), were assigned to chromosomes 2 and 4, respectively. Sex is apparently determined by a locus on chromosome 1. Crossing over is restricted to females. Six reciprocal translocations were induced with gamma radiation and used to assign ca and rd to their respective chromosomes.