Supplement 1. R script for model fitting and data file.

R Supplement.R (MD5: 93abaccfdd8c591e3484b4f98a4dfb20)

gall data.csv (MD5: 632a06517a792a51a105ca6bf2f39103)

R Supplement.R - An R script for fitting models representing hypotheses 1–6, including a brute force search that checks that the maximum-likelihood estimates are global optimum.

gall data.csv - comma delimited text file of experimental data. g11 is galls on plants in 2011, f11 is female flies placed on plants in 2011, and g12 is galls recruited in 2012.