It sounds as though your azaleas (Rhododendron spp.) Crape myrtle bark scale is a felt scale related to azalea bark scale and oak eriococcin scale. Azalea Bark Scale, Eriococcus azaleas, was discovered in 1881 and is a major yearly pest for Azaleas, Rhododendrons, and Huckleberries.Although the pest usually does not kill the host tree, it causes aesthetic damage, weakens the tree, and can cause honeydew and sooty mold to develop. Damage - Since its discovery in 1881, the azalea bark scale has become recognized as a prominent pest of azaleas. Common soft scales in Georgia are Indian wax scale, Florida wax scale, brown soft scale, oak lecanium scale, magnolia scale, cottony maple scale, cottony camellia scale, cottony cushion scale and azalea bark scale (Table 1). On new growth and in heavy infestations, the scales may be distributed more uniformly on the branch (Figs. Adult females are felt-like white or gray encrustations that stick to crape myrtle parts ranging from small twigs to large trunks. The life cycle of scales always includes an egg, immature and adult phases. Adult females are approximately three mm in length, with a dark red body that is covered by a white waxy egg sac. Bark scales Azalea bark scales cause yellowing and a soot or mold appearance on stems. Female scales produce fluffy white filaments that cover their body. Red females cover themselves and their eggs with a white, waxy protective coating. If they're not moving around, small, fuzzy, white caterpillars might be one of the thousands of species of scale. Bark scale originates from China and was brought to the U.S. in 2010. Azalea bark scale (Acanthococcus azaleae) infestations can be severe. Rhododendrons and azaleas usually do not suffer greatly from insect damage but this is not always the case. These mobile immatures are known as "crawlers". Azalea Bark Scale – This azalea plant pest occurs most often in the eastern United States. Males look similar to females, but are only half as long. Mature female scale are about 0.13 inch long and appear like white cottony sacs, often located on twigs and stems of azalea, especially in branch … Would Captain Jacks Deadbug Brew Concentrate be effective for treating Azalea Bark Scale? Thanks! Did the hemlock bark have the eggs or adults.? Will Zylam Liquid Systemic Insecticide work on the Crape Myrtle Bark Scale? When crushed, these scales exude pink “blood”-like liquid. The larvae soon emerge and roll up the tip or margin of the leaf and continue feeding. Can I use Pivot 10 for azalea bark scale? Crape myrtle bark scale is relatively easy to identify. Eventually, scales, which resemble … This sap-sucking scale can cause serious harm to your favorite Azalea or Rhododendron. To treat, eliminate the insects and prune any dead or dying parts of the plant. The red eggs are laid within the egg sac, occupying the void left by Hosts: azalea, rhododendron, Andromeda, hawthorn, poplar, and willow Starting the last week of June to early July Table 1. Treatment with horticultural oil can help. Azalea Bark Scale, Erlococcus azalene Recognition and Life Cycle Females are approximately 1/8-inch long and covered with a white, waxy egg sac. The adult females (1/8 inch) with their white egg sacs are most noticeable in May and June. The immature crawlers emerge over the course of 2 weeks. In one year, there could be at least two generations of CMBS. They could also be mealy bugs, a scale-like insect … Eggs are laid in the spring and hatch from late-June to mid-July. The immature scales feed on the newer growth of the rhododendron. https://www.giroudtree.com Azalea Bark Scale can destroy beautiful Azalea shrubs. Sticky honeydew is excreted by the pests, and may have black sooty mold growing on it. BIOLOGY Distribution - The azalea bark scale occurs in the eastern United States; it has also been reported in Belgium, Germany, and Russia.. Armored scales have a hard shield-like cover that is not attached to the body of the insect. The azalea bark scale is a soft scale resembling mealybugs. Azalea Bark Scale (Erlococcus azalene) Recognition and Life Cycle Females are approximately 1/8-inch long and covered with a white, waxy egg sac. Azalea bark scale is very common in Lane County. It is one of the only scales known to infest crape myrtles. Infested azaleas usually appear chlorotic, and severe infestation of azalea bark scale can weaken or kill your azaleas. The adult phase females typically stay in one place on woody plant parts, while the winged males suck on the leave… Azalea bark scale Photo: United States National Collection of Scale Insects Photographs, USDA Agricultural Research Service, Bugwood.org Eriococcus azalea (soft scale) produces a white eggsac full of eggs. I think they are Azalea Bark Scale. Check with the people who delivered the bark. Eggs are laid in the spring and hatch from late-June to mid-July. A: That crusty growth might look like a fungus or mold, but it’s actually a bug called azalea bark scale. CMBS might be able to overwinter in the adult female and egg life stages, and crawlers and later stage nymphs have been observed overwintering under the loose bark and in cracks and crevices of crapemyrtles in our area. Cottony maple/taxus scale? Para obtener la versión en español de esta hoja informativa, HGIC 1059S, El Cuidado de las Azaleas If this document didn’t answer your questions, please contact HGIC at hgic@clemson.edu or 1 … The female dies as the eggs grow. 4 th… Cottony masses of the scales are often located on twigs and in the forks of the branches. Affected shrubs may be covered with sooty mold or appear as white, cottony masses within the forks of branches. 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