Table 1. Insemination rates of untreated or sterile male Ae. albopictus (50 females, 48 h).
Male | Age (days) at release | Male:Female ratio | Number of spermathecae inseminated (% of females) | |||
0 | 1 | 2 | 3 | |||
Untreated | 1 | 1∶1 | 2.0 | 0.0 | 91.8 | 6.1 |
Sterile | 1 | 1∶1 | 12.2 | 6.1 | 81.6 | 0.0 |
Untreated | 5 | 1∶1 | 6.5 | 4.3 | 84.8 | 4.3 |
Sterile | 5 | 1∶1 | 6.5 | 8.7 | 80.4 | 4.3 |
Sterile | 1 | 5∶1 | 6.4 | 0.0 | 89.4 | 4.3 |
Percentage of females with 0, 1, 2 or 3 spermathecae inseminated in laboratory cages in the different situations of the competitiveness tests.