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The total number of colonies sampled in each state and the number of samples analyzed in each season. Seasons were defined using the Northern meteorological calendar.
| State | No. of colonies | Spring | Summer | Fall | Winter |
|---|---|---|---|---|---|
| CA | 20 | 42 | 44 | 38 | 22 |
| TX | 18 | 30 | 29 | 20 | 0 |
| FL | 19 | 27 | 38 | 39 | 40 |
| MI | 15 | 29 | 45 | 13 | 0 |
