For ordinary high rot leafhopper — control measures
For ordinary high rot leafhopper similar in appearance to aphids and is its closest relative.
Themselves insects damage plants are not very strong, but can be carriers of dangerous infectious diseases.
Varieties of leafhoppers, there are many. The most common types: the greenhouse, this and green.
For ordinary high rot leafhopper — description
For ordinary high rot leafhopper greenhouse is an insect of an oblong shape, measuring about 3 mm, whitish or light yellow color.
Each adult female produces about 50 eggs during her life cycle. Of eggs larvae appear, and in the summer on the development of missing one week, and the winter period lasts a month.
Nymphs (or larvae leafhoppers) develop within 1-2 months, worrying about that time five molts. With each change of the cover of the nymphs become more active and require more food.
After the fifth molt they become an insect with wings and is ready to repeat the cycle. From the moment of oviposition to emergence of adult leafhoppers is depending on the season from 4 to 12 weeks.
Greenhouse leafhoppers are impressive:
- — some varieties of primroses;
- — tomatoes;
- — fuchsia;
- — vervain;
- — calceolaria;
- — heliotrope;
- — sage.
Symptoms of the presence of leafhoppers can be: slowing the growth of plants; changing forms; the death of young plantings.
For ordinary high rot leafhopper this is similar to the previous species, but has several large and painted yellow. This pest causes damage to yard plants and breeds only in the warm period.
The first generation hatches in late may from eggs laid in mid-autumn. Nymphs Mature to the adult insect in 4-6 weeks.
The next generation leafhoppers appeared in the middle or end of August. It deals less damage to garden plants, but lay eggs, which endure the winter and repeat the cycle with the onset of may.
Most often these leafhoppers are striking roses, especially those species that have curly structure. Sign of the presence of insects is to stop the growth of a plant and dropping leaves.
For ordinary high rot leafhopper green is coloured according to its title and impresses with grass and fruit trees during the period of egg laying.
For ordinary high rot leafhopper — methods of fighting
- — The agro-technical measures include the destruction of all herbaceous plants in plantations of fruit trees and hold the soil between
rows fallow. This method shows a good efficiency of preventing the breeding of green leafhoppers.
- Biological method of combating cicadas similar to the destruction of aphids is spraying the plant with pesticides. This method is best not to use in enclosed spaces and greenhouses in spite of its danger.
- Chemical method is the large number of different drugs. Plants are attacked by leafhoppers, need timely processing of organophosphorus compounds.
No less effective neonicotinoid and pyrethroids. The choice of drugs is large, so you should consult directly with the seller of the chemicals.