Original stock contained a low frequency of inversions in 3R; chromosomes probably are now all of standard sequence.
Ives reports that females of his lines of Samarkand are distinguishable from Oregon-R females in that they have no faint trident on the thorax and that there is always a well-defined black band on seventh (most-posterior) dorsolateral abdominal segment.
Uzbekistan
Samarqand Viloyati
Samarkand
1936