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. 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 will also rip the covers off the scale, exposing its body underneath to pesticide spray. Chionaspis prunicola Maskell 1895b: 49. Cornell Cooperative Extension Suffolk County. Introduction: The white peach scale (WPS) is a native of the Orient that was introduced into Georgia in the late 1800's. 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. on Prunus spp., especially Japanese flowering cherry (P. serrulata), Syringa spp. Invasive Listing Sources. its sibling congener, the white prunicola scale, P. prunicola (Maskell). White Peach Scale, Pseudaulacaspis pentagona (Targioni-Tozzetti) I. Residents who have these shrubs should check them periodically for leaf yellowing and white spots on lower branches. Image 5429898 is of white prunicola scale (Pseudaulacaspis prunicola ) infestation on holly. Nonnative Invasive Species in Southern Forest and Grassland Ecosystems; Taxonomic Rank. Some other authors called attention to the variability of the characteristics of P. The white material was male covers of white prunicola scale. Infraspecies Pseudaulacaspis prunicola theae. The white peach scale, Pseudaulacaspis pentagona (Targioni), is one of the most important pests infesting tea trees in Japan. Photo provided by: Whitney Cranshaw, Colorado State University, Bugwood.org Fourlined plant bug adult. Photo by: Brian Kunkel, Ornamentals IPM Extension Specialist, University of Delaware Fourlined plant bug feeding damage. Pseudaulacaspis prunicola ; Sasakiaspis pentagona (Targioni Tozzetti), Kuwana, 1926; International Common Names. White prunicola 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). Prunicola Scale. Biology: White prunicola scale long has been confused with white peach scale, Pseudaulacaspis pentagona. white prunicola scale on cherry laurels. 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). Life Insecta Hemiptera Sternorrhyncha Diaspididae Pseudaulacaspis Extension Education Center 423 Griffing Avenue, Suite 100 Riverhead, New York 11901-3071 TEL: 631-727-7850 suffolk@cornell.edu 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. These white insects are usually resting on the underside of the leaves. According to scale authorities, this species is so closely related to P. A related scale, white prunicoloa scale (Pseudaulacaspis prunicola (Maskell)) also infests peach. 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). 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 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. White Prunicola Scale Pseudaulacaspis prunicola (Maskell) ... White Prunicola Scale (adult female covers) on Prunus in Prince George's Co., Maryland (2/1/1989). Type data: UNITED STATES: Hawaii, on "Japanese plum," by Mr. Koebele. Valid Names Results Pseudaulacaspis prunicola prunicola (Maskell, 1895) (Diaspididae: Pseudaulacaspis) Nomenclatural History . White prunicola scale prefers a north temperate climate. HEllo, can you recommend a treatment that I can apply to my cherry laurels? White Peach Scale Pseudaulacaspis pentagona White peach scale overwinter as adult females. The owner said he had white material covering the lower stems of lilac. White peach scale is capable of proliferating rapidly. males 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. ADW Pocket Guides on the iOS App Store! Use of images featured on Maryland Biodiversity Project is … Kawai (1980) reinstated P. prunicola as a valid species and discussed it in his study on the scale … Asked May 16, 2019, 10:23 AM EDT. Despite the con fusion of these two taxa in the early litera white prunicola scale Pseudaulacaspis prunicola (Maskell). 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. White prunicola scale is a fairly common problem on cherry laurels. It is by Brian Kunkel at University of Delaware. Borchsenius (1966) treated P. prunicola as a synonym of P. pentagona. Background: Pseudaulacaspis prunicola is a polyphagous scale that is reported to feed on plants in 15 families. Posts about white prunicola scale written by Maryland Grows Both species are broadly sympatric, share many host plant species and occur abundantly throughout Maryland and Virginia (Davidson et al. The following photo gives a closer look at scale insects (the white shapes are the scale). White prunicola scale adult males on holly. Photo by John Davidson. Infraspecies Pseudaulacaspis prunicola prunicola white prunicola scale. Introduction. View All Images. This insect is often confused with white peach scale and is a serious pest on Prunus. The Animal Diversity Web team is excited to announce ADW Pocket Guides! White Prunicola Scale (Pseudaulacaspis prunicola) By: Stanton Gill Last week, I was visiting a nursery in Central Maryland. They were just pruned by ny landscaper and he identified white prunicloa scale which he recommend that I have treated. The grayish white waxy tests (covers) of females on holly. WHITE PRUNICOLA SCALE. In the U.S. it is primarily a pest in the deep South, but has also occurred in southern Virginia. Then spray with a dormant oil spray. 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. 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). in the USA, P. pentagona proper on peach, mulberry and other plants in that country, and P. prunicola (Mask.) Kingdom: Animalia Phylum: Arthropoda At this time of year, use a stiff-bristled brush (not wire) to knock off as many of the scales as you can. This armored scale feeds on a number of hosts including: Acer, Alunus, Aucuba, Buxus, Forsythia, Ilex, Ligustrum, Malus, Prunus, Rhododendron, Syringa, and others. Scales are easier to manage if you catch them early. When I stopped by this week, he showed me the plants. This is white prunicola scale, a common pest of cherry laurel. 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. Evidence is presented for the erroneous inclusion of 2 species under the name of Pseudaulacaspis pentagona (Targ.) In Tennessee, the first of three generations hatch from more than 100 eggs per female and emerge as crawlers in early May. Figure 1. According to scale white prunicola scale Pseudaulacaspis prunicola (Maskell) About This Subject; View Images Details; View Images; Selected Images. 1985). About This Subject; View Images Details; View Images; Selected Images The second generation hatches from late July to early August, and the third generation emerges in early September. 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. 1983, Rhoades et al. Crawlers of the second generation are active at 2314 3586 [3010 peak] GDD. 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 Colorado white prunicola scale, pseudaulacaspis prunicola University, Bugwood.org Fourlined plant bug adult prunicola is a serious pest on Prunus spp. especially! Whitney Cranshaw, Colorado State University, Bugwood.org Fourlined plant bug adult scale insects ( the white are... 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