| 1 | Clusters of tiny insects called aphids were to be found on the underside of the leaves. | |
| 2 | H. reached 75% or more, the population of armand pine wooly aphids decreased. | |
| 3 | In summer, virus spreads also from outside the field and cannot be stopped by aphicides. | |
| 4 | Ladybugs , also called ladybird beetles, eat aphids-small, soft insects that look like tiny grains of rice. | |
| 5 | It survived the epidemic grape phylloxera in the second half of the 19th century, which destroyed much of Europe' s vineyards. |