Fig. 2.

Inversion frequencies have shifted across time and space. (A) Inversion frequencies at eight well-studied chromosomal inversions. The asterisks underneath In(2R)Ns, In(3R)Mo, and In(3R)P indicate statistically significant frequencies between seasons. (B) Four inversions showed significant frequency differences between sampling locations (x axis) in the spring, as detailed in supplementary table S2, Supplementary Material online. No inversions displayed significant frequency differences between locations in the fall samples.