The grayish white waxy tests (covers) of females on holly. Evidence is presented for the erroneous inclusion of 2 species under the name of Pseudaulacaspis pentagona (Targ.) Most published biologies probably deal with white peach scale since they usually report work done in warm areas of the world on hosts other than Prunus. 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. White prunicola scale is a fairly common problem on cherry laurels. Prunicola Scale. In Tennessee, the first of three generations hatch from more than 100 eggs per female and emerge as crawlers in early May. They were just pruned by ny landscaper and he identified white prunicloa scale which he recommend that I have treated. This insect is often confused with white peach scale and is a serious pest on Prunus. Borchsenius (1966) treated P. prunicola as a synonym of P. pentagona. According to scale authorities, this species is so closely related to P. Control adult scale by pruning heavily infested branches; control tiny young “crawlers” with a hard spray of water from a garden hose (use a hand lens to see scale). White Prunicola Scale Pseudaulacaspis prunicola (Maskell) ... White Prunicola Scale (adult female covers) on Prunus in Prince George's Co., Maryland (2/1/1989). 1983, Rhoades et al. View All Images. Biology: White prunicola scale long has been confused with white peach scale, Pseudaulacaspis pentagona. Cornell Cooperative Extension Suffolk County. At this time of year, use a stiff-bristled brush (not wire) to knock off as many of the scales as you can. White peach scale (Pseudaulacaspis pentagona), also called white scale, West Indian peach scale, and oleander scale, is an armored scale insect that infests various stone fruits and ornamental plants.It is considered an important economic pest of peach trees. Nonnative Invasive Species in Southern Forest and Grassland Ecosystems; Taxonomic Rank. Use of images featured on Maryland Biodiversity Project is … 1985). Introduction: The white peach scale (WPS) is a native of the Orient that was introduced into Georgia in the late 1800's. males Oyster-shell scale is aptly named, as the pests look like 1/8-inch oyster shells on the stems, while prunicola scale covers bark with a dusty white mass. White prunicola scale prefers a north temperate climate. English: peach scale; West Indian peach scale; white peach scale; white scale; Spanish: cochinilla algodonosa; escama de flecos (Colombia) French: cochenille du mûrier; kermès du mûrier A related scale, white prunicoloa scale (Pseudaulacaspis prunicola (Maskell)) also infests peach. The following photo gives a closer look at scale insects (the white shapes are the scale). Pseudaulacaspis prunicola causes aesthetic damage to ornamental plants because the white male scale covers form concentrations on the undersides of branches, making the plant unsightly PSPRUNL1.jpg ; heavy infestations can cause dieback or even death of flowering cherries (Davidson and Miller, 1990). Background: Pseudaulacaspis prunicola is a polyphagous scale that is reported to feed on plants in 15 families. Invasive Listing Sources. Asked May 16, 2019, 10:23 AM EDT. Pseudaulacaspis prunicola (Maskell, 1895) WHITE PRUNICOLA SCALE Chionaspis prunicola; Diaspis amygdali rubra Maskell, 1898; Diaspis auranticolor Cockerell, 1899; Howardia prunicola; Aulacaspis pentagona rubra Fernald, 1903; Aulacapsis pentagona auranticolor; Diaspis rubra. According to scale Pseudaulacaspis prunicola ; Sasakiaspis pentagona (Targioni Tozzetti), Kuwana, 1926; International Common Names. white prunicola scale Pseudaulacaspis prunicola (Maskell) About This Subject; View Images Details; View Images; Selected Images. The white material was male covers of white prunicola scale. Type data: UNITED STATES: Hawaii, on "Japanese plum," by Mr. Koebele. This is white prunicola scale, a common pest of cherry laurel. Among the recorded hosts are fruit and ornamental trees, including Carica , Malus , and Prunus species (Agnello et al., 2015; Follett, 2000; Miller and Davidson, 2005). WHITE PRUNICOLA SCALE. White Peach Scale Pseudaulacaspis pentagona White peach scale overwinter as adult females. The Animal Diversity Web team is excited to announce ADW Pocket Guides! Photo by: Brian Kunkel, Ornamentals IPM Extension Specialist, University of Delaware Fourlined plant bug feeding damage. White Peach Scale, Pseudaulacaspis pentagona (Targioni-Tozzetti) I. vv Another scale we've been seeing in up-state NY orchards that might otherwise have been identified as white peach scale (Pseudaulacaspis pentagona) is almost certainly a closely related species (P. prunicola), which has the common name of white prunicola scale. Another scale we've been seeing in upstate NY orchards that might otherwise have been identified as white peach scale (Pseudaulacaspis pentagona) is almost certainly a closely related species (P. prunicola), which has the common name of white prunicola scale. Introduction. White prunicola White Prunicola Scale (Pseudaulacaspis prunicola) By: Stanton Gill Last week, I was visiting a nursery in Central Maryland. About This Subject; View Images Details; View Images; Selected Images Crawlers of the second generation are active at 2314 3586 [3010 peak] GDD. Some other authors called attention to the variability of the characteristics of P. Then spray with a dormant oil spray. HEllo, can you recommend a treatment that I can apply to my cherry laurels? Scales are easier to manage if you catch them early. ADW Pocket Guides on the iOS App Store! Valid Names Results Pseudaulacaspis prunicola prunicola (Maskell, 1895) (Diaspididae: Pseudaulacaspis) Nomenclatural History . Despite the con­ fusion of these two taxa in the early litera­ Species: Pseudaulacaspis pentagona (Targioni Tozzetti 1886) MacGillivray 1921 There is some debate as to whether Pseudaulacaspis pentagona and P. prunicola should be treated as separate species. Chionaspis prunicola Maskell 1895b: 49. Photo provided by: Whitney Cranshaw, Colorado State University, Bugwood.org Fourlined plant bug adult. The Japanese maple scale may be confused with another group of armored scale insects on woody ornamental plants in Pennsylvania known as the white prunicola scale, Pseudaulacaspis prunicola, and the white peach scale… white prunicola scale Pseudaulacaspis prunicola (Maskell). white prunicola scale on cherry laurels. Infraspecies Pseudaulacaspis prunicola prunicola white prunicola scale. Kingdom: Animalia Phylum: Arthropoda Photo by John Davidson. Residents who have these shrubs should check them periodically for leaf yellowing and white spots on lower branches. 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. This armored scale feeds on a number of hosts including: Acer, Alunus, Aucuba, Buxus, Forsythia, Ilex, Ligustrum, Malus, Prunus, Rhododendron, Syringa, and others. Figure 1. its sibling congener, the white prunicola scale, P. prunicola (Maskell). Extension Education Center 423 Griffing Avenue, Suite 100 Riverhead, New York 11901-3071 TEL: 631-727-7850 suffolk@cornell.edu In the U.S. it is primarily a pest in the deep South, but has also occurred in southern Virginia. Both species are broadly sympatric, share many host plant species and occur abundantly throughout Maryland and Virginia (Davidson et al. Pest of flowering fruit trees The white prunicola scale, Pseudaulacaspis prunicola (Maskell), until re­ cently was considered to be a junior synonym of the white peach scale, P. pentagona (Targioni Tozzetti). White prunicola scale adult males on holly. Infraspecies Pseudaulacaspis prunicola theae. Posts about white prunicola scale written by Maryland Grows The second generation hatches from late July to early August, and the third generation emerges in early September. These white insects are usually resting on the underside of the leaves. The owner said he had white material covering the lower stems of lilac. White peach scale is capable of proliferating rapidly. Image 5429898 is of white prunicola scale (Pseudaulacaspis prunicola ) infestation on holly. in the USA, P. pentagona proper on peach, mulberry and other plants in that country, and P. prunicola (Mask.) Life Insecta Hemiptera Sternorrhyncha Diaspididae Pseudaulacaspis This will also rip the covers off the scale, exposing its body underneath to pesticide spray. on Prunus spp., especially Japanese flowering cherry (P. serrulata), Syringa spp. When I stopped by this week, he showed me the plants. Kawai (1980) reinstated P. prunicola as a valid species and discussed it in his study on the scale … The white peach scale, Pseudaulacaspis pentagona (Targioni), is one of the most important pests infesting tea trees in Japan. It is by Brian Kunkel at University of Delaware. White Prunicola Scale Another scale we've been seeing in upstate NY orchards that might otherwise have been identified as white peach scale (Pseudaulacaspis pentagona) is almost certainly a closely related species (P. prunicola), which has the common name of white prunicola scale. 5429898 is of white prunicola scale Pseudaulacaspis pentagona males Biology: white prunicola scale infests peach the deep South but. Residents who have these shrubs should check them periodically for leaf yellowing and white spots on lower.... ) by: Brian Kunkel, Ornamentals IPM Extension Specialist, University of Delaware Fourlined plant bug adult ). White insects are usually resting on the underside of the leaves pest in the USA P.... 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