Table 7. Mean number of adults, nymphs, or total number of adults and nymphs of L. reticulatus ± SE per vial (for vials in which the initial population was females of L. reticulatus with adult females of L. bostrychophila at a ratio of 1∶9, 3∶7, 5∶5, 7∶3, 9∶1, and 10∶0 adults (L. reticulatus: L. bostrychophila)) at 35, 70, 105, 140, and 175 days after the introduction of the initial population.
Period (days after introduction of the first females) | |||||
Adult ratio | 35 | 70 | 105 | 140 | 175 |
Adults | |||||
1∶9 | 0.6±0.3 c | 2.7±1.7 c | 1.6±1.1 b | 0.0±0.0 b | 0.0±0.0 b |
3∶7 | 1.7±0.4 bc | 2.4±0.8 c | 4.6±2.7 b | 0.0±0.0 b | 0.0±0.0 b |
5∶5 | 2.2±0.8 bc | 9.2±2.7 bc | 4.4±2.6 b | 0.0±0.0 b | 0.0±0.0 b |
7∶ 3 | 2.9±0.8 bc | 11.4±2.9 bc | 3.1±2.0 b | 0.0±0.0 b | 0.0±0.0 b |
9∶1 | 5.7±1.3 ab | 20.8±4.3 ab | 5.2±3.6 b | 1.9±1.9 b | 0.0±0.0 b |
10∶0 | 8.2±2.2 a | 31.9±6.9 a | 35.3±6.3 a | 33.7±8.2 a | 17.4±4.1 a |
F | 5.9 | 9.0 | 14.0 | 15.7 | 17.7 |
p | <0.01 | <0.01 | <0.01 | <0.01 | <0.01 |
Nymphs | |||||
1∶9 | 5.4±1.9 c | 0.6±0.4 b | 0.0±0.0 b | 0.0±0.0 b | 0.0±0.0 b |
3∶7 | 10.2±2.0 bc | 1.6±0.7 b | 0.0±0.0 b | 0.0±0.0 b | 0.0±0.0 b |
5∶5 | 14.3±2.7 bc | 2.4±0.8 ab | 0.0±0.0 b | 0.0±0.0 b | 0.0±0.0 b |
7∶3 | 16.8±3.6 bc | 2.2±1.2 ab | 0.2±0.2 b | 0.0±0.0 b | 0.0±0.0 b |
9∶1 | 24.1±4.2 ab | 5.2±2.0 ab | 0.2±0.1 b | 0.2±0.2 b | 0.0±0.0 b |
10∶0 | 33.1±6.6 a | 10.3±4.0 a | 8.3±2.6 a | 14.2±4.9 a | 12.6±4.4 a |
F | 6.7 | 3.4 | 9.9 | 8.4 | 8.2 |
p | <0.01 | 0.01 | <0.01 | <0.01 | <0.01 |
Total | |||||
1∶ 9 | 6.0±2.2 c | 3.2±2.2 c | 1.5±1.1 b | 0.0±0.0 b | 0.0±0.0 b |
3∶ 7 | 11.9±2.3 bc | 4.0±1.2 c | 4.5±2.7 b | 0.0±0.0 b | 0.0±0.0 b |
5∶ 5 | 16.6±3.1 bc | 11.7±3.1 bc | 4.4±2.6 b | 0.0±0.0 b | 0.0±0.0 b |
7∶ 3 | 19.7±4.2 bc | 13.6±4.0 bc | 3.3±2.2 b | 0.0±0.0 b | 0.0±0.0 b |
9∶ 1 | 27.7±5.3 ab | 26.0±5.3 ab | 5.4±3.7 b | 2.1±2.1 b | 0.0±0.0 b |
10∶ 0 | 41.3±8.2 a | 42.2±9.9 a | 43.7±7.0 a | 47.9±10.7 a | 30.0±11.9 a |
F | 7.4 | 8.5 | 19.5 | 19.1 | 14.6 |
p | <0.01 | <0.01 | <0.01 | <0.01 | <0.01 |
Within each column and life stage, means followed by the same letter are not significantly different; where no letters exist, no significant differences were noted; HSD test at P = 0.05; in all cases, df = 5, 53).