This has been a big year for it as we have had many similar questions. Cottony camellia scales take their name from the adult females' fluffy, white egg sacs, measuring up to ½ inch long. The Cottony Camellia is a soft scale that you never notice until she lays long strings of June egg masses. Cottony camellia scale (Pulvinaria floccifera) is a soft scale causing mostly aesthetic damage, though it can weaken plants making them susceptible to other insects/diseases.Cottony ovisacs make this scale relatively easy to identify along with copious amounts of honeydew. Damage by the cottony camellia scale is mainly cosmetic.During heavy infestations, large amounts of honeydew are produced.The honeydew acts as a growth medium for black sooty mold fungus which will turn the leaves black. If there are lots of scale in one spot, they secrete enough honeydew to cover nearby leaves with “syrup” on which black mold will grow. We recommend using horticulture oil. The adult beetle is black with a red spot on each wing. DECEMBER 2012. Cottony camellia scale, Pulvinaria floccifera, is related to other cottony scales such as cottony maple leaf scale, Pulvinaria acericola, and cottony maple scale, Pulvinaria innumerabilis. Cottony camellia scale (Pulvinaria floccifera) (CCS), also known as cottony taxus scale, is a soft scale pest of numerous evergreen and deciduous woody plants. Cottony Camellia Scale. Comments Suspect cases should be reported to the relevant plant health authority. Cottony camellia scale (Pulvinaria floccifera) is a soft scale that infests not only camellia, but also holly, hydrangea, English ivy, euonymus, maple, rhododendron, yew, and pittosporum. Scale insects belong to a large group of sucking insects that attack a wide variety of trees and shrubs. Also see Armored (h ard scales) for additional scale insects. This insect attaches itself to the bottom of holly leaves and sucks sap. Heavy infestations may cause leaves to turn light green in spring (Figure 1). When we try and wipe it off, it appears to be “glued” to the leaf surface. This soft scale overwinters as a second instar nymph on the bark of host twigs and branches. The easily overlooked flat… females (brown) with eggs (cottony white) This soft scale produces large amounts of honeydew on which sooty mold will grow. Cottony camellia scale damage . Cottony Scale The bane of many holly growers, cottony camellia scale, Pulvinaria floccifera, is also called cottony taxus scale. The cottony white egg sacs of this soft scale appear on undersides of leaves (Figure 1) in May and egg hatch (Figure 2) occurs during June. These soft scales are usually first noticed during the summer months when the female produces a conspicuous white egg sac, called an ovisac, that appears as a ¼- to ½-inch long ball of cotton. The cottony maple scale, Pulvinaria innumerabilis (Rathvon), is a highly modified insect pest that commonly attacks silver and red maples in Ohio. Cotton stringy scale is a recent arrival to Britain from the east Asia, being confirmed for the first time in 2018 from West Berkshire. The cottony camellia scale also is found on English ivy, yew, euonymus, holly, hydrangea, maple, mulberry, pittosporum, rhododendron and yew, the host by which it is also known as the cottony yew scale. Cottony camellia scale (Pulvinaria floccifera) (CCS), also known as cottony taxus scale, is a soft scale pest of numerous evergreen and deciduous woody plants. Aphids. What’s causing this? Dr. Purchas who, [he] believe[d], first found it". Life History. It is by Eric R. Day at Virginia Polytechnic Institute and State University. A: It’s cottony camellia scale. Cottony Camellia Scale insects tap into plants and feed on plant sap, weakening and even killing plants over time. Cottony Camellia Scale preferred: UKSI Classification unranked Biota kingdom Animalia phylum Arthropoda subphylum Hexapoda class Insecta order Hemiptera family Coccidae genus Pulvinaria species Pulvinaria floccifera. The female insect is the creamy, tan colored ‘maple syrup drop’. Cottony Camellia Scales. The flocking is full of scale eggs, up to 1000 eggs. It is worth trying to treat it if you can as your holly is pretty tall. Cottony camellia scale, Pulvinaria floccifera, is related to other cottony scales such as cottony maple leaf scale, Pulvinaria acericola, and cottony maple scale, Pulvinaria innumerabilis. Cottony Scale insects produce cottony egg masses from which young crawlers emerge. Serious outbreaks of the cottony maple scale may last for two to three years, but their numbers become greatly reduced when natural predators, including a number of wasps and fly parasites, are present. ci-trus, fig and guava. The female completes development in June and lays egg masses through late summer. And suddenly the back of your plant leaves have bright white flocking! Yes, this is cottony camellia scale. Cottony camellia scale. Cottony camellia scale is a sap-feeding insect that infests camellia, holly, yew, euonymus, and maple. The female cottony cushion scale produces up to 1000 eggs, which are carried in the fluted white cottony egg sac. Try using insecticidal soap. For biological studies of the cottony camellia scale P. floccifera eggs and crawlers were obtained from mother P.floccifera reared on citrus, fig and guava under laboratory conditions 25-27°C, 65-75% RH and 18 hours Photoperiod. Black citrus aphid; Green peach aphid; Melon aphid ; Armored scales . Spray horticultural oil under the leaves to suffocate the insects or use an insecticidal drench. Icerya purchasi (common name: cottony cushion scale) is a scale insect that feeds on more than 65 families of woody plants, 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. Cottony Cushion originates from Australia and is rumored to have come to the US by accident in the late 1800’s on a plant shipment. The adult scale is flat, 1/8-inch in diameter and yellowish-tan. Insecticidal soap can also be sprayed on houseplants to kill scales. ANSWER: From time to time we all run into a few bumps on the road. Cottony Camellia Scale is one of several cottony scales in the genus Pulvinaria. Cottony cushion scales retain their legs, eyes, and antennae for their entire life and remain mobile. A heavy infestation of this scale can cause spring leaves to be light green, but dieback is not common, though sooty mold and sticky honeydew are often objectionable. Image 5429846 is of cottony camellia scale (Pulvinaria floccifera ) egg(s). Crawlers settle on… on holly Cottony scale insects produce a cottony egg mass from which the mobile crawler stage hatches. The cottony camellia scale P.floccifera was reared on three host plants i.e. What’s causing this? Greedy scale; Oleander scale; Oystershell scale; Black vine weevil; Cottony camellia scale (similar to Cottony cushion scale) Fuller rose beetle; Gall mites . Image 1122006 is of cottony camellia scale (Pulvinaria floccifera ) infestation. Cottony camellia scale seems most common on hollies but is also Maskell "after the Rev. It is by Brian Kunkel at University of Delaware. Cottony Camellia Scale By Ray Novitske, Fairfax Master Gardener When we see the term cottony camellia scale, we concentrate on the first two pleasant words “cottony” and “camellia.” They evoke ideas of something comforting and beautiful. Cottony Camellia Scale. It produces long, narrow and unavoidably obvious ovisacs on the leaf undersides. Mix about 5 tablespoons of insecticidal soap or a very mild dish soap into 1 gallon (3.8 L) of water. Both the insect’s common and scientific names allude to the woolly, white wax it produces as a protective case, or ovisac, around its eggs. Cottony Cushion Scale had taken over, right under my nose! The cottony camellia scale is most commonly reported on holly in Kentucky, but it is also found on other hosts, including yew, euonymous, maple, and hydrangea. Florida wax scales look like waxy, white domes about the size of a nail head and occur on a wide variety of plants. Damage The honeydew encourages the growth of sooty mould, which downgrades fruit quality and, in severe infestations, causes leaf drop, twig dieback and deterioration of tree health. Cottony Camellia Scales. These little buggers are so tiny and sneaky. As a gardener, you’re also likely to run into a few bumps on your plants. QUESTION: All of a sudden, our camellia leaves look like they are covered with soot. Infested plants usually have a significant amount of black sooty mold growing on the sugary “honeydew” or liquid waste produced by these insects. It produces characteristic long stringy white egg masses and feeds on a wide range of woody plants but with little noticeable damage. Males are rare and exist in the species to allow the scale to reproduce sexually producing both females and males. This week I found cottony camellia scale ovisacs on hollies in my yard and on campus. Biological studies of the cottony camellia scale, Puvinaria floccifera (Hemiptera: Coccidae) with updating lists of host plants and natural enemies in Egypt. Both the insect’s common and scientific names allude to the The cottony maple scale is most easily recognized by the characteristic egg masses on twigs and branches. And they will ruin your citrus, unless you get it under control. ANSWER: From time to time we all run into a few bumps on the road. These are the egg masses. As a gardener, you’re also likely to run into a few bumps on your plants. These cottony masses can contains hundreds of eggs each. Invertebrates. Generally, they are divided into two categories, armored (hard) and soft scale. Certainly the sooty mold is suggestive of a sucking insect like cottony camellia scale. They are a major pest of camellias and some hollies. Tea scale insects are about the size of a hyphen, appear slightly fuzzy and are white or brown. When we try and wipe it off, it appears to be “glued” to the leaf surface. Cottony camellia scale seems most common on hollies but is also a pest of euonymus, camellias, and other broad leaf evergreens. Key Points. Damage Symptoms: Yellowing of foliage and dieback of plant in severe infestations. Euonymus scale, on the other hand, attacks euonymus and resembles tea scale. The young crawler stage is also the easiest stage to control. You can find these now on their common hosts including holly and camellia. Mid FEBRUARY. Pour the soap into a spray bottle and spray the plant, including the undersides of the leaves and stems, until the soap solution begins to drip. Flip over leaves and you will see cottony masses about the size of a cotton swap stuck to the bottom of leaves. But this scale insect that attacks our ornamentals at this time of year is anything but that. T his can hamper photosynthesis. Chris B. Riley, PhD, Entomologist. It is possible to have low numbers of this insect for years without an outbreak. Cottony cushion scales can have 2 - 3 generations per year. Abd-Rabou S, Aly N, Badary H, 2012. Older instars move to the twigs, branches, or trunk to feed. Distribution References. Cottony Camellia/Taxus Scale (Pulvinaria floccifera), Family Coccidae Plants Damaged: Taxus yews, camellia, holly, rhododendron, Japanese maple, English ivy, and mulberry. 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