4 ways to get rid of black aphids quickly and easily
The black blood aphid is classified as a quarantine species. Initially, her homeland was North America. However, 2 centuries ago, the insect was brought to Europe. The pest owes its name to the red pigment of body tissues.
Content
Description of the black aphid
Name: Black or cherry aphid
Latin:Myzus cerasiClass: Insects - Insecta
Negative poison: Hemiptera - Hemiptera
family: Real aphids - Aphididae
 | Habitats: | temperate climate |
 | Features: | massively affects fruit trees |
 | Harm: | threat of crop loss up to 60% |
Life cycle
The place of wintering of larvae is the roots of apple trees, cracks in the bark and trunks. The beginning of sap flow coincides with the release of larvae. They are located in the crown, suck the juice from the wood and bark.
The hatching of the founders occurs in the spring. American elm is believed to be the original host of the species in North America. It is on it that the founders are formed, who produce the winged generation.
At temperatures below 20 degrees below zero, the larvae die. Awakening occurs at 7 degrees Celsius. At 14 degrees Celsius, food intake begins. Development occurs within 20 - 25 days.
The shortest development period is 10 days. This is possible in late June - mid-August. The most prolific first generation. They produce up to 200 larvae. The remaining generations do not give more than 50 individuals.
The larvae produce wingless females. At hatching, there are 150 individuals. After 3 weeks, the larvae become females. May is the period of appearance of winged females. In hot weather, the larvae settle on the roots and continue to develop.
Habitat and distribution
The blood aphid lives in the Western Baltic, Transcarpathia, the southern regions of Ukraine, Moldova, the Caucasus, Central Asia, Western Europe, America, Africa, Australia, and Transnistria. In the eastern and western parts of Europe, the northern border is located in those regions where the temperature in winter is not lower than 4 degrees below zero.
The parasite is contraindicated in drought. The mass population is facilitated by a humid climate and shady places.
Economic importance
Black aphid.
Sucking out the juice forms nodular thickenings - nodules. They grow and ulcers appear. The same wounds are present on the roots. Ulcers are filled with putrefactive bacteria, which lead to death. An adult tree after a couple of years does not bear fruit and fades.
In the USA, black aphids feed on apple, hawthorn, elm, and mountain ash. On our continent, it poses a threat to apple and cherry trees. Mostly tender varieties of culture. It can also damage pear and peach.
Methods of control and prevention
For prevention, be sure to loosen the soil and examine the planting material.
- It is necessary to keep the garden clean, regularly trim the tops and clean the old bark, cover the affected trees with sand or ash in early spring.
- You can also use slaked lime. A mineral-oil emulsion before the buds swell will give a good result.
- In autumn, they are treated with a soap-tobacco solution. You can attract a natural enemy. This is the aphelinus parasite. He is able to destroy the entire colony.
- The chemical method is carried out using pyrethroids, organophosphorus compounds, neonicotinoids, mineral oils, insecticides with nicotine.
You can overcome aphids using folk methods or special chemicals. You only need to choose one of 26 ways to deal with aphids.
Conclusion
Black aphids destroy cherries and apple trees. When the first pests are found, one of the methods is chosen and the fight against them begins. Timely prevention will prevent the appearance of unwanted insects.
