You’ll get regrowth in spring and summer. Euonymus grows vigorously, so pruning moderately in winter won’t hurt it terribly. Infested leaves develop yellow to white spots from scale feeding. Description Il primo passo nel trattamento di scala in euonymus è capire se hai un'infestazione. It became established in Britain on the south coast of England during the 1950s. The gnarly growth habit of euonymus does not easily lend itself to being scrubbed with a soft brush and soapy water, a treatment that works for some scale infestations. These include braconid and ichneumonid wasps, ladybird beetles, green lacewings, and minute pirate bugs. Crawlers are orange and first emerge in the spring (there are 2-3 generations/year) from Euonymus scale is extremely susceptible to a variety of natural enemies, including parasitoids and predators. What is euonymus scale? The euonymus scale is a key pest of deciduous and evergreen euonymus, Euonymus spp., pachysandra, Pachysandra spp., and bittersweet, Celastrus spp. It is now established in the United States and Canada. Euonymus scales are found on both leaves and stems. Vine-type euonymus are extremely susceptible to attack by this scale. A: In my experience, a heavy infestation of scale on euonymus is almost impossible to control without pruning to remove the majority of the leaves and insects first. Try using insecticidal soap. Insecticidal soap can also be sprayed on houseplants to kill scales. Euonymus scale females are dark, 1/16" long, and mussel-shaped. This armored scale insect is native to Japan and China. The males are narrow, elongate, and white. This insect has a soft flattened body that is covered by a shell or scale. Il controllo dei bug di scala di euonymus può essere relativamente semplice ed efficace, a patto che venga eseguito correttamente. It is now found in gardens throughout Southern Britain. Euonymus Scale Treatment . Euonymus scale is a small sap-sucking insect that feeds on the stems and foliage of Euonymus. The sap-feeding scale insect Unaspis euonymi is particularly attracted to Euonymus japonica, although it will feast on other evergreen euonymus too.The white males congregate on the leaves, but the brownish-black females live on the bark, making them hard to spot. 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. Mix about 5 tablespoons of insecticidal soap or a very mild dish soap into 1 gallon (3.8 L) of water. Continua a leggere per saperne di più su come sbarazzarsi della scala di euonymus. Scales are found on both leaves and stems moderately in winter won ’ t hurt it.... Attack by this scale covered by a shell or scale of water che venga eseguito correttamente venga eseguito.! 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