Table 6. Mean number of adults, nymphs, or total number of adults and nymphs of L. bostrychophila ± SE per vial (for vials in which the initial population was adult females of L. bostrychophila with adult females of L. reticulatus at a ratio of 1∶9, 3∶7, 5∶5, 7∶3, 9∶1, and 10∶0 adults (L. bostrychophila: L. reticulatus)) 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 | 3.4±1.3 c | 19.2±5.5 d | 165.1±29.5 | 209.3±44.1 | 313.6±49.9 a |
3∶7 | 9.2±1.6 bc | 58.4±7.7 c | 185.1±19.3 | 200.7±32.3 | 277.2±38.0 ab |
5∶5 | 11.7±1.6 bc | 86.2±9.7 c | 182.1±32.1 | 226.3±40.1 | 183.6±29.4 ab |
7∶3 | 14.3±1.3 b | 93.1±11.0 bc | 236.9±30.7 | 238.4±47.7 | 217.1±34.9 ab |
9∶1 | 18.5±2.8 ab | 139.2±14.6 ab | 219.0±25.7 | 233.0±40.6 | 208.6±37.3 ab |
10∶0 | 24.3±3.8 a | 168.0±18.1 a | 209.0±16.5 | 200.9±32.0 | 134.7±31.3 b |
F | 10.4 | 20.5 | 1.0 | 0.2 | 3.0 |
p | <0.01 | <0.01 | 0.41 | 0.97 | 0.02 |
Nymphs | |||||
1∶9 | 14.7±2.7 d | 50.7±15.0 | 94.6±16.7 | 43.4±14.8 | 34.4±12.6 |
3∶7 | 34.0±3.0 c | 69.6±6.3 | 86.8±22.9 | 33.8±11.3 | 19.7±4.1 |
5∶5 | 34.0±8.6 bc | 76.2±15.0 | 90.9±22.3 | 33.3±11.0 | 19.6±5.5 |
7∶3 | 74.1±5.2 b | 44.4±10.2 | 91.1±29.7 | 22.2±6.4 | 20.2±7.1 |
9∶1 | 96.7±8.5 a | 59.9±13.6 | 61.0±17.7 | 26.1±12.2 | 15.1±5.4 |
10∶0 | 141.4±9.6 a | 50.8±11.9 | 42.4±14.3 | 17.1±3.3 | 8.1±3.2 |
F | 43.4 | 0.9 | 0.9 | 0.8 | 1.6 |
p | <0.01 | 0.43 | 0.43 | 0.50 | 0.17 |
Total | |||||
1∶9 | 18.1±3.5d | 69.9±20.0c | 259.7±43.0 | 254.8±56.5 | 349.0±60.5 a |
3∶7 | 43.2±3.2c | 128.0±11.9bc | 271.9±33.4 | 234.4±38.3 | 296.9±41.1 ab |
5∶5 | 75.4±9.7bc | 162.4±20.9ab | 273.0±49.4 | 259.7±49.0 | 203.1±33.6 ab |
7∶3 | 88.4±6.2b | 137.6±14.2bc | 328.0 ± 52.8 | 260.7±52.4 | 237.3±33.6 ab |
9∶1 | 115.8±8.8a | 199.1±20.2ab | 280.0±40.4 | 259.1±50.6 | 223.7±41.6 ab |
10∶0 | 165.8±9.5a | 218.7±17.3a | 251.4±16.8 | 218.6±34.3 | 142.8±32.0 b |
F | 51.2 | 9.1 | 0.4 | 0.1 | 3.0 |
p | <0.01 | <0.01 | 0.82 | 0.98 | 0.02 |
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).