TABLE 2

Composition of populations

N males
Sampling siteN femalesD. melanogasterD. simulans% D. simulans
Bordeaux 1-199712,61710,3832,29018.0
Bordeaux 1-19986,900a1,6736,26478.9
Preignac 1-19972,689a1,8211989.8
Preignac 2-19977,636a4,6433036.1
Preignac 1-1998459a4678615.5
Preignac 2-199885a14410642.4
  • a Significant deviation from a balanced sex ratio, P2) < 0.05.