Numerous species of scale insects, typically classified as soft or armored, can attack a broad array of shrubs. Hi - These are called white prunicola scales. White peach scale passes through three stages during its life cycle: an egg stage, a larval stage, and an adult stage. A related scale, white prunicoloa scale (Pseudaulacaspis prunicola (Maskell)) also infests peach. They produce three … Although there are natural predators, they do not save valuable trees. White prunicola scale – Feeding by heavy infestations of this insect can cause leaf yellowing and dieback. . Providing Weston, Wellesley, Westwood, Newton and the surrounding MA towns with Quality Tree Services: Tree Removal, Tree Pruning, Tree Spraying, Winter Tree Pruning – Tree Care & Tips in Massachusetts, Gypsy Moth attacking trees in Dedham, Weston, and Wellesley, Ma, Gypsy Moth attacking trees in Dedham, Weston, and Wellesley, Ma – copy. This condition means the female is covered dorsally by the thickened second shed exoskeleton, and this covering is opened beneath. Contact. The second generation hatches from late July to early August, and the third generation emerges in early September. Note the white substance on the trunk of this tree is the scale; these are the males. White Fly: Asiothrixus antidesmae Pest Rating: A. The 1-2 mm long, oystershell-shaped, waxy test (covering) of the female is grayish white (Fig. White peach scale, Pseudaulacaspis pentagona(Targioni), is believed to have originated in Japan or China, although one report places the point of origin in Italy where is was first described in 1886 by Targioni. Yellow spotting or banding caused by Cryptomeria scale. Ants attracted to the honeydew produced by Tuliptree scale (soft scale). White prunicola scale (Pseudaulalacaspis prunicola) is an armored scale insect that infects members of the Prunus species, and various other ornamental plants. In upstate NY orchards, Cornell University researchers have reported the presence of WPS, which seems to be a closely related species of White Peach Scale (Pseudaulacaspis pentagona) found in the southeastern United States. cherry laurel. Although there are natural predators, they do not save valuable trees. It has also become established in the United States. White Prunicola Scale. White Prunicola Scale | Pseudaulacaspis prunicola Pest Rating: A ⇒ HYMENOPTERA Sep 23, 2014 - Award-winning tree service in Lancaster, PA discusses how a Certified Arborist can manage White Prunicola Scale on Cherry trees and other shrubs. Scales are very tiny insects that feed on plant sap. White prunicola scale adults on holly. White prunicola scale adults on holly. Photo provided by: B. You may need up to three applications in a given growing season as there are two generations of this pest. Their feeding leads to leaf yellowing, browning, and eventual dieback of branches. WHITE PRUNICOLA SCALE. This insect is often confused with white peach scale and is a serious pest on Prunus. How to Treat Scale on Shrubs. General Gardening Information; Sustainable Gardening; Vegetable Gardening; Vegetable Diseases; Vegetable Insects; Lawn Care ; Lawn Pest Control; Tree / Shrub / Groundcover / Vine; Tree and Shrub … These pests typically appear in small numbers and reproduce rapidly. It is one of the most significant pests of cherry and peach trees. Photo provided by: Louis-Michel Nageleisen, Département de la Santé des Forêts, Bugwood.org This observation probably pertains to white prunicola scale. 1). IPM Images is a joint project of The University of Georgia - Warnell School of Forestry and Natural Resources and College of Agricultural and Environmental Sciences, The Center for Invasive Species and Ecosystem Health, USDA National Institute of Food and Agriculture, Southern Integrated Pest Management Center, Southern Plant Diagnostic Network, and USDA Identification Technology Program. Consequences of Introduction to California for Pseudaulacaspis prunicola: High (13) Add up the total score and include it here. Photo by: Brian Kunkel, Ornamentals IPM Extension Specialist, University of DelawareFourlined plant bug feeding damage. A. Kunkel, Ornamentals IPM Extension Specialist, University of DelawareEuropean hornet and damage. What is White Prunicola Scale? Snapp (1954) reported white peach scale to be as injurious to peach trees as San Jose scale. White Prunicola Scale (Pseudaulacaspis prunicola), Family Diaspididae Plants Damaged: This scale is commonly found on Prunus species but can also be seen on magnolia, ligustrum, rhododendron, forsythia, boxwood, and lilac. Bertels (1956) recorded it as a pest of great economic importance in Brazil on Prunus and Pyrus. Horticulture Factsheets. The insect is native to Asia. 4) White prunicola scale, Pseudaulacaspis prunicola Preferred host plants are in the Prunus (cherry) family.