This data file contains frequencies of the Pgd FF allele for 48 Drosophila melanogaster locations collected in 1978-1979 (extracted from Fig. 2). When using this data, please cite the original publication: Oakeshott, J. G., Chambers, G. K., Gibson, J. B., Eanes, W. F. & Willcocks, D. A. (1983). Geographic variation in G6pd and Pgd allele frequencies in Drosophila melanogaster. Heredity 50: 67-72