Filtering by tag: turf & landscape ✕

Thrips and damage on petunia. Photo: SD Frank

Impatiens Necrotic Spot Virus

Impatiens necrotic spot virus (INSV) affects ornamental greenhouse crops like impatiens and mums but also many vegetables and herbs. The virus can infect over 200 plant species. It is a lethal virus…

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Mimosa Webworms Building Nests

Originally posted on ecoIPM.org.Mimosa webworms are active in Raleigh. I saw initial webbing this week. These are annual pests of mimosa trees which many people consider pests in their own right.…

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Crape Myrtles Are Shedding Bark

Originally posted on ecoIPM.orgEvery year around this time I get calls and emails from homeowners and landscapers who notice bark peeling off crape myrtles and accumulating around trees. This causes…

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Spider Mite Outbreaks

Originally posted on ecoIPM.orgThings are heating up and the twospotted spider mite, Tetranychus urticae, thrives in hot dry weather. I have found many spider mites in the landscape on roses and many…

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Euonymus Scale Begins Overlapping Generations

Originally posted on ecoIPM.orgIt seems like everything is labeled ‘next generation’ or ‘second generation’ to imply a better, more sophisticated version. The second generation of euonymus scale is…

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Yellow Poplar Weevils

Originally posted on ecoIPM.orgI was in Northwestern Pennsylvania last week and found tulip poplar trees with leaves that had brown dried edges and small brown spots. From a distance the trees looked…

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Hibiscus Sawfly Active

Hibiscus sawfly, Atomacera decepta, is a common pest of hibiscus. Not much is known about this critter from what I can find. A report from Connecticut indicates the life cycle is about 28 days.…

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Lace Bugs Damage Many Landscape and Nursery Plants

Lace bugs have been out most of the summer but the damage is becoming apparent now as populations grow. Lace bugs damage plant cells and as the cells die necrotic spots and stippling appear. This can…

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Cottony Tufts on Holly and Other Broad Leaf Evergreens

This week I found cottony camellia scale ovisacs on hollies in my yard and on campus. Cottony camellia scale, Pulvinaria floccifera, is related to other cottony scales such as cottony maple leaf…

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Slugs in the Greenhouse, Nursery, Landscape

If you see ragged holes in leaves with no pest in site you may have slugs. Slugs thrive in moist area such as around dripping water spigots and irrigation heads. They also live under pots, greenhouse…