Table 1.
Feeding and mortality rates of Aedes japonicus (laboratory strain PEN; field-collected specimens from Switzerland (CH), Ae. geniculatus (laboratory strain IPZ) and Ae. aegypti (laboratory strain IPNC) during infection trials with Dirofilaria immitis and D. repens
| Mosquito species | Inoculation | No. total | No. feeding (%) | Mortalitya at 1 dpi No. (%) |
Mortalitya 5 dpi No. (%) |
Mortalitya at 14 dpi No. (%) |
|---|---|---|---|---|---|---|
| Ae. japonicus (PEN) | Dirofilaria repens | 19 | 8 (42.1) | 0 | 0 | 2 (28.6) |
| Ae. japonicus (PEN) | D. immitis | 28 | 12 (42.3) | 0 | 5 (50.0) | 8 (80.0) |
| Ae. japonicus (PEN) | Negative control | 18 | 9 (50.0) | 0 | 3 (33.3) | 4 (44.4) |
| Ae. japonicus (CH) | D. repens | 72 | 17 (23.6) | 0 | 0 | 0 |
| Ae. japonicus (CH) | D. immitis | 60 | 31 (51.6) | 0 | 10 (35.7) | 13 (46.4) |
| Ae. japonicus (CH) | Negative control | 19 | 8 (42.1) | 0 | 1 (12.5) | 5 (62.5) |
| Ae. geniculatus IPZ | D. repens | 17 | 12 (70.1) | 0 | 0 | 4 (44.4) |
| Ae. geniculatus IPZ | D. immitis | 18 | 13 (72.2) | 0 | 2 (18.2) | 4 (36.4) |
| Ae. aegypti IPNC | D. repens | 46 | 21(45.7) | 4 (22.2) | 8 (44.4) | 8 (44.4) |
| Ae. aegypti IPNC | D. immitis | 41 | 24 (58.5) | 6 (28.6) | 11 (52.4) | 11 (52.4) |
aOnly mosquitoes that died naturally; calculated without day 1 samples; numbers are cumulative from day 1