Table 1. The 22 samples collected at the 14 different localities in East Denmark, including the host plant on which collections were made, resistance phenotype of each sample (+: resistant to defences of B. vulgaris), and the number of beetles that were used for the analysis.
| Location | Host plant | Feeding on B. vulgaris (G-type) | n |
|---|---|---|---|
| Kværkeby 1 | Sinapis arvensis | − | 19 |
| Kværkeby 1 | Sinapis arvensis | + | 25 |
| Kværkeby 2 | Sinapis arvensis | + | 16 |
| Kværkeby 3 | B. vulgaris (G-type) | + | 61 |
| Kværkeby 4 | Sinapis arvensis | − | 23 |
| Kværkeby 4 | Sinapis arvensis | + | 12 |
| Kværkeby 5 | B. vulgaris (G-type) | + | 29 |
| Kværkeby 6 | B. vulgaris (G-type) | + | 39 |
| Maglebrænde | Sinapis arvensis | − | 33 |
| Maglebrænde | Sinapis arvensis | + | 29 |
| Vigersted | Sinapis arvensis | − | 56 |
| Vigersted | Sinapis arvensis | + | 58 |
| Taastrup | Raphanus sativus | − | 25 |
| Taastrup | Raphanus sativus | + | 19 |
| Ejby 1 | B. vulgaris (G-type) | + | 26 |
| Ejby 2 | B. vulgaris (G-type) | + | 32 |
| Ejby 2 | Sinapis arvensis | + | 33 |
| Lynæs | Cardaria draba | − | 34 |
| Lynæs | Cardaria draba | + | 15 |
| Svebølle | B. vulgaris (G-type) | + | 40 |
| Suserup | Sinapis arvensis | − | 30 |
| Suserup | Sinapis arvensis | + | 30 |