Table 4 Number of Aedes albopictus eggs and percentage of sterility in eggs in ovitraps located in Melm (Ludwigshafen)
Variables | Collection date (in 2020) | Total | |||||
|---|---|---|---|---|---|---|---|
15 June | 29 June | 13 July | 10 August | 24 August | 7 September | ||
Total no. of eggs | 45 | 88 | 216 | 173 | 301 | 96 | 919 |
Section A | |||||||
Total no. of eggs | 45 | 64 | 120 | 8 | 34 | 3 | 274 |
No. of sterile eggs | 2 | 6 | 103 | 0 | 6 | 3 | 120 |
Sterility, % (mean ± SD) | 4.44% | 9.37% | 85.83% | 0 | 17.65% | 100% | 36.21 ± 40.65% |
Section B (SIT) | |||||||
Total no. of eggs | 0 | 24 | 91 | 101 | 114 | 90 | 420 |
No. of sterile eggs | 0 | 23 | 59 | 84 | 91 | 90 | 347 |
Sterility, % | 0 | 95.83% | 64.84% | 83.17% | 79.82% | 100% | 84.73 ± 12.48% |
Section C | |||||||
Total no. of eggs | 0 | 0 | 0 | 64 | 153 | 3 | 220 |
No. of sterile eggs | 0 | 0 | 0 | 8 | 74 | 3 | 85 |
Sterility, % (mean ± SD) | 0 | 0 | 0 | 12.5% | 48.37% | 100% | 53.62 ± 35.91% |