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Scale insects are small insects of the order Hemiptera, ... [19] [20] In 1990, they caused around $5 billion of damage to crops in the United States. [21]
The San Jose scale or China scale, (Comstockaspis perniciosus), is a hemipterous insect in the family Diaspididae. [1] It is an agricultural pest as it causes damage and crop losses to many fruit crops. In 1914, this species became the first documented case of insecticide resistance. [2] [3] [4]
Icerya purchasi (common name: cottony cushion scale) is a scale insect that feeds on more than 80 families of woody plants, [1] most notably on Citrus and Pittosporum. Originally described in 1878 from specimens collected in New Zealand as pests of kangaroo acacia and named by W.M. Maskell "after the Rev. Dr. Purchas who, [he] believe[d], first ...
The Coccus hesperidum scale insects, ... an “estimated 60-90 pairs of Wilkins’ Bunting” birds live on the island due to the wasps controlling the damage from the scale insects and halting ...
Aspidiotus destructor, the coconut scale, is a species of armoured scale insect in the family Diaspididae, [1] [2] [3] found in many tropical and subtropical parts of the world. It is a serious pest of coconut and banana , and attacks a range of other fruiting trees and ornamental plants.
Green scale is transported to new areas on infected plants. There should be a thorough inspection of planting material for scale and other insects before it is introduced into a greenhouse. [9] Certain entomopathogenic fungi have been shown to affect green scale but attempts to infect healthy insects with these fungi have been unsuccessful. [2]
The adult female scale insect is viviparous, the eggs hatching internally, and produces up to 150 young at the rate of two or three per day.The first-stage larva is mobile and is known as a crawler; it emerges from under the mother's scale and disperses to other parts of the plant; it may be blown by the wind or transported elsewhere by animals and is the only mobile life stage except for the ...
Coccus hesperidum is a soft scale insect in the family Coccidae with a wide host range. It is commonly known as brown soft scale. It has a cosmopolitan distribution and feeds on many different host plants. It is an agricultural pest, particularly of citrus and commercial greenhouse crops.