Table 1. The number of pupae and imagos produced from successful oviposition on Cirsium oleraceum inflorescences for flies originating from C. heterophyllum and C. oleraceum.
| Origin of fly | Inflorescence | # Pupae | # Dead Pupae | # Imago |
|---|---|---|---|---|
| C. heterophyllum | H1 | 9 | 0 | 9 |
| H4 | 2 | 1 | 1 | |
| H13 | 2 | 1 | 1 | |
| C. oleraceum | O1 | 6 | 0 | 6 |
| O2 | 3 | 0 | 3 | |
| O4 | 16 | 0 | 16 | |
| O5 | 13 | 0 | 13 | |
| O6 | 23 | 0 | 23 | |
| O7 | 9 | 0 | 9 | |
| O9 | 19 | 8 | 11 | |
| O10 | 16 | 16 | 0 | |
| O11 | 12 | 0 | 12 | |
| O12 | 1 | 0 | 1 | |
| O14 | 20 | 0 | 20 | |
| O16 | 1 | 0 | 1 | |
| O17 | 12 | 0 | 12 | |
| O19 | 9 | 1 | 8 | |
| O20 | 2 | 0 | 2 | |
| O21 | 5 | 0 | 5 | |
| O22 | 6 | 0 | 6 | |
| O23 | 2 | 0 | 2 | |
| O24 | 4 | 1 | 3 | |
| O27 | 9 | 2 | 7 | |
| O28 | 2 | 0 | 2 |