Table 4: Results of a General Linear model of treatment on frass production in beetles for the two sexes (data from Table 1)
| Source | d.f. | Mean Square | F | p |
| Sex | 1 | 77.09 | 0.95 | 0.33 |
| Treatment | 1 | 468.09 | 5.8 | 0.017* |
| Sex x Treatment | 1 | 306.45 | 3.8 | 0.054 |
| Error | 127 | 80.72 |
* Infected females produced more frass than control females (Tukey multiple comparison, p = 0.0112)