Table 1.
Details of the trophallactic activity and social network metrics per colony and caste. Values = mean from experiments (N = 5), parentheses = s.d. See Table S1 for more details.
| Foragers | Non-foragers | Mann-Whitney | ||
|---|---|---|---|---|
| Number of individuals | 12.2 (1.9) | 41.2 (5.9) | p = 0.006 (U = 0.0) | |
| Number of trophallactic events | Total per colony | 77.4 (22.7) | 120.6 (16.5) | p = 0.001 (U = 8.0) |
| as donors | 60.2 (15.2) | 38.8 (8.9) | p = 0.02 (U = 2.5) | |
| as recipients | 17.2 (8.0) | 81.8 (9.7) | p = 0.006 (U = 0.0) | |
| Mean per colony | 6.3 (2.9) | 2.9 (2.7) | p < 1.10-5 (U = 0.0) | |
| as donors | 4.9 (2.7) | 0.9 (1.4) | p < 1.10-5 (U = 1194.0) | |
| as recipients | 1.4 (1.4) | 2.0 (1.8) | p = 0.012 (U = 5113.0) | |
| Social network metrics | Betweenness | 0.06 (0.06) | 0.03 (0.04) | p < 1.10-5 (U = 2319.0) |
| Closeness | 0.33 (0.23) | 0.3 (0.34) | p = 0.001 (U = 3049.0) | |
| Eigenvector | 0.15 (0.09) | 0.11 (0.07) | p < 2.10-5 (U = 2324.0) | |
| Clustering | 0.11 (0.15) | 0.09(0.20) | p = 0.001 (U = 3653.5) | |