Citrus trees are often. Under attack from citrus mealybugs, a common pest citrus trees These insects attack many other plants and trees in the landscape, and lemon trees. Heavy infestations of mealybugs can. Impact on the health and appearance of citrus trees, and the fruit it bears
The citrus mealybug most commonly attacks citrus trees grow in heavy soils or those planted in areas of heavy shade. Humid conditions are favorable for the spread of mealybugs. Mealybugs in citrus trees are spread from tree to tree by crawling machines or by birds and insects. Mealybugs are small, with females of only 3 mm in length and 4.5 mm men reached the end of the term.
Citrus mealybugs occur most often in older citrus trees and damage tree leaves by feeding. With its piercing mouthparts, mealybugs suck sap from the leaves, fruits and roots of citrus trees. Defoliate trees often, premature fruit drop and fruit splitting. Mealybugs excrete a substance, honeydew, the sticky and causes to develop sooty mold on citrus known. Sooty mold is characterized by a black coating of the fungus on the host trees, which resembles chimney soot. Severe mealybug infestation often result in 80 percent defoliation and 100 percent fruit drop in affected trees, says the University of Arizona.
Monitor your trees for citrus mealybug infestation by pheromone and sticky traps near trees. Pheromones attract only male mealybugs, but you will draw attention to their presence. Citrus mealybug monitoring should begin in the month of March. Examine the trunk and lower branches for signs of infestation. Continue to monitor citrus trees such as the growing season advances, mealybug damage is most noticeable in the summer months.
Mealybug control is a combination of cultural controls and the application of insecticides. Keeping citrus trees trimmed so that the branches of the trees do not touch each other to prevent the spread of mealybugs. Natural enemies are effective mealybug control. These predators feed on mealybugs, greatly reducing their population. Chemical control products are for citrus mealybug control. However wool lice are often very difficult to control with insecticides.