Many saw on the plants growing at the dacha on meadows, along roads the frothed sites similar to saliva congestions. It - ""intrigues of enemies"", so-called pennitsa dribbling (there is still pennitsa alder), the most widespread type of family tsikadkovy in the European part of Russia.
What the wrecker is?
The adult individual about 6 mm long, has color from yellowish to almost dark or spotty. During the summer one generation grows. The activity is begun in the spring. The eggs which have wintered on plants turn into larvae which together with the young dismissed leaves eat and grow, having covered with the foamy weight as board. They settle down on bottom side of leaves, under scapes, ovaries.
What garden plants are damaged most often by pennitsa?
The injuriousness of insect consists in pantophagy. Pennitsa dribbling eats and damages many cereal herbs. And having got over in garden, will perfectly be located on favourite flowers. She ""chooses"" the most beautiful, such as roses, dogrose, dahlias, chrysanthemums, phloxes, hand bells, coneflowers, gillyflowers, primroses and many others. From vegetable she can be met on parsley, fennel. She loves strawberry plantations, young leaves of currant, grapes. In greenhouses and hotbeds ""dribbling"" also settles.
In what its injuriousness?
Adult individuals and larvae are dangerous. All of them eat juice of plants. Occupying bottom side of leaves, scapes, leafhoppers puncture gentle fabrics and ""revel"" in juice. In reply gluttonous ""dribbling"" inject the toxic salivary agents, thereby poisoning plant. Consequences of it are white spottiness, yellowing and deformation of leaves, scapes, the damaged part of plants which slow down the development. The wrecker serves as the carrier of fungi and viral infections.
Dribbling has no open enemies of penniyets. To it ladybugs, not other predators insects are not terrible. And chemical processings do not ""confuse"" it too. The lump of foam serves as good protection.
How to protect plants?
Measures of protection - not to create condition for life to the wrecker. Pennitsa dribbling loves the shaded and damp places, so cultural plants should be placed on the aired places, not to thicken landing.
To destroy weed plants and to keep """" clean. To watch over health of the grown-up cultures as first of all the wrecker ""attacks"" weaker.
If damages small, manually to collect the damaged leaves.
To use national methods, spraying with tansy, wormwood, tobacco extract, having added green or laundry soap for prilipayemost.
At strong damage it is possible to apply also insecticidal substances, for example, ""Kinmix"", Aktara, carbophos.