Table 2.
Simple effect comparisons of municipality and month on the abundance of Helicoverpa spp. caught in sex pheromone trapping using H. armigera lure in Salinas and Juana Diaz municipalities, Puerto Rico, from 2018 to 2021.
| Month | Mean monthly abundance of Helicoverpa sp. (± SD)in municipalities of Puerto Rico1 | |
|---|---|---|
| Juana Diaz | Salinas | |
| January | 1.19 ± 1.86 a | 0.00 ± 0.00 b |
| February | 4.95 ± 7.19 a | 3.55 ± 7.25 b |
| March | 3.05 ± 5.80 b | 6.00 ± 8.80 a |
| April | 0.74 ± 1.55 b | 1.67 ± 2.24 a |
| May | 0.97 ± 1.57 b | 1.43 ± 2.24 a |
| June | 0.37 ± 0.66 b | 1.00 ± 1.53 a |
| July | 0.38 ± 0.89 a | 0.00 ± 0.00 b |
| August | 0.19 ± 0.51 b | 0.55 ± 0.93 a |
| September | 1.21 ± 2.63 a | 2.44 ± 4.06 b |
| October | 2.20 ± 3.40 a | 1.49 ± 1.76 b |
| November | 2.65 ± 3.59 a | 1.57 ± 1.85 b |
| December | 0.67 ± 1.20 a | 0.89 ± 1.67 b |
1The estimate means of moth abundance ± SE with the same letter, in the same row are not significantly different, p-value ≤ 0.05.