Abbreviations used: M: Male biased operational sex ratio C: Equal sex ratio F: Female biased operational sex ratio CE: Continuously exposed (to males) SM: Singly mated Other essential information The different sheets of the file contain data from the following assays respectively: Dry body weight, Progeny production by selected females under CE and SM conditions along with the cost score (omega) values used for the analysis, Mean longevity of selected females under virgin and mated conditions, Age specific survival rates of the selected females under virgin and mated conditions, Courtship frequency (of LH males towards selected females) (see the text, Method section for more detail).