The website will automatically send me an e-mail with your information included, Dave Palmer – Extension Agent I Prune heavily infested fronds or leaves from infected plants using sharp pruning implements. It can coat a sago within months and kill it within a year. Simix can help. It has been found in almost every county in Central Florida (see map). Scale, mealy bugs, beetles and other infestations can be troublesome problems. Cycas debaoensis plant before treatment with coffee grounds, infested with scale Fig. The ProHort website now has some information on Asian cycad scale, some links and a survey for you to fill out. Now with increased publicity throughout Florida, more and more people are finding they have the pest and are looking for answers. Extremely persistent and difficult to get rid of. It is important to correctly distinguish the scale family (e.g., armored versus soft scale) and often the particular species of scale to determine whether control is warranted; and if so, what methods and timing of control action are effective. When you get a chance, go to the ProHort website ( http://prohort.ifas.ufl.edu/index.htm ). For me, this little study is enough “proof” that coffee grounds can be used to protect cycads from the cycad scale Aulacaspis yasumatsui. Often living in the soil, these insects are not well controlled by contact insecticides. In other words, we need your eyes to help locate infestations across Hillsborough County. For all the cycad experts out there, I am having serious problems with Asian Cycad scale, see photo. On that page is a link to the online survey. Consult pesticide labels for specific in structions. You can achieve control by spraying the sagos with a horticultural oil, such as Year Round Spray Oil or All Seasons Oil. In South Florida, two natural enemies of the scale were introduced in 1997-98: Cybocephalus nipponicus, a predaceous beetle, and Coccobius fulvus, a parasitic wasp. They do cause unsightly cycads. The scale insects also commonly infest the stem, so spray it as well as the fronds. Apply two to three times with five days between each application. 2 This scale is also referred to as the Asian cycad scale. Removing the foliage reduces your target area and the plant should recover quicker. To manage this scale, wash your plant with a vigorous spray of water to remove any dead or living scales. Spray biweekly when temperatures average 70 degrees Fahrenheit or higher and monthly in cooler weather to treat scale on sago palms. While they have contributed to a decrease in the population of the scale, neither insect is able to provide complete control. Its an insect that infests the plant and sucks the leaves, killing them. I have about 6 cycads, all infested, and losing them all to this little pest seems like a possibility. South and Central Florida have seen some decline in Asian cycad scale populations recently. To manage this scale, wash your plant with a vigorous spray of water to remove any dead or living scales. A publication is in the works that will try to sort these out and present our best recommendations. Here is part of the official e-mail sent to horticultural professionals recently. Have fun … and stay w/ oil treatments every 2 wks for a few months afterwards, especially for any valuable stuff. We recommend avoiding highly broad-spectrum insecticides (such as Malathion & Acephate) for treating of Cycad Aulacaspis Scale in an effort to preserve beneficial insects … It seems Tampa is now considered officially to have an epidemic of Asian Scale and we will be getting some parasitic wasps from Asia that specifically eat Asian Scale. Cycads are valuable ornamental plants worldwide and the scale detracts from the appearance of plants even after treatment as the dead scales do not readily drop off (Howard et al. Cycad Aulacaspis Scale CAS Over the coarse of the last several years, southern US landscapes have lost as much as 70% of their king and queen sagos (cycads) due to the relentless attack of Cycad Aulacaspis Scale (CAS), a small white scale from Asia. Professional Horticulture Services This article provides basic information on identification and biology of this pest along with suggestions for effective pest management. Scale on palm. Promptly bag … The damage from these tiny sucking insects initially appears as yellow or bleached-looking spots, eventually making the leaves brown and crispy. Then we need you to fill in the online survey to help us identify the precise location of the infestation and the severity of the infestation. If you are ever in the Seattle area, be sure to visit the Heronswood Gardens at www.heronswood.com. Some will remain in armor or dormant like state and try again for life after treatment is relaxed.
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