Online Resource1. Kendall's non-parametric correlations between total flower length and gall width for each wasp flower occupant within individual syconia.

Flower occupant / Number of flowers occupiedin each syconium / z / τ / p value
Seed / 951 / 1.438 / 0.035 / 0.15
1062 / -2.825 / -0.065 / 0.005
1125 / 6.757 / 0.153 / 0
1347 / 15.214 / 0.303 / 0
261 / 2.292 / 0.107 / 0.022
C. fusciceps / 201 / 1.205 / 0.063 / 0.228
295 / -1.062 / -0.045 / 0.288
226 / -2.68 / -0.129 / 0.007
165 / 0.616 / 0.035 / 0.538
791 / 2.226 / 0.057 / 0.026
A. testacea / 9 / 0.323 / 0.09 / 0.747
29 / 2.351 / 0.322 / 0.019
36 / 0.611 / 0.075 / 0.542
A. fusca / 26 / 0.38 / 0.056 / 0.704
5 / -1.769 / -0.738 / 0.077
35 / 3.023 / 0.379 / 0.003
15 / 0.506 / 0.102 / 0.613
9 / 0.765 / 0.217 / 0.444
A. agraensis / 24 / 1.043 / 0.161 / 0.297
8 / -0.54 / -0.168 / 0.589
13 / 0.784 / 0.179 / 0.433
7 / -1.111 / -0.37 / 0.266
23 / 1.513 / 0.241 / 0.13
Flower occupant / Number of flowers occupied in each syconium / z / τ / p value
Apocrypta sp. 1 / 17 / 2.418 / 0.446 / 0.016
48 / 0.1 / 0.011 / 0.921
10 / 1.086 / 0.276 / 0.277
50 / 3.623 / 0.371 / 0
61 / 2.303 / 0.21 / 0.021
Apo. westwoodi / 4 / 1.53 / 0.8 / 0.126
5 / -0.758 / -0.316 / 0.449
5 / 5 / 0 / 1
13 / 0.067 / 0.015 / 0.947
11 / -2.012 / -0.492 / 0.044