Table 2.
Crude ant venoms and associated peptidyl toxins strongly reduced the survival of injected aphids (Acyrthosiphon pisum) (60 aphids in three biological replicates of 20 individuals per treatment).
| Treatment | Concentration (mg·mL−1) | % Survival | Significance a | |
|---|---|---|---|---|
| Bovine serum albumin (BSA) b | 16 | 78.3 | ns | |
| 4 | 84.7 | ns | ||
| 1 | 91.7 | p < 0.05 | ||
| Crude venom | Manica rubida | 1 | 0.0 | p < 0.0001 |
| 0.1 | 33.3 | p < 0.0001 | ||
| 0.01 | 66.7 | ns | ||
| Myrmica rubra | 1 | 20.0 | p < 0.0001 | |
| 0.1 | 71.7 | ns | ||
| 0.01 | 66.7 | ns | ||
| Peptides | U-MYRTX-MANr1 (Manica rubida) |
16 | 6.7 | p < 0.0001 |
| 4 | 30.0 | p < 0.0001 | ||
| 1 | 75.0 | ns | ||
| U-MYRTX-MYRrub1 (Myrmica rubra) |
16 | 41.7 | p < 0.0001 | |
| 4 | 60.0 | p < 0.01 | ||
| 1 | 80.0 | ns | ||
a Compared to water (survival ~78%, 10 days post-injection); b BSA was used as peptide/protein control; ns = not significant.