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About Steven Frank

NC State University Department of Entomology

Yellow poplar weevil outbreak

Originally posted on I 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 like that had leaf scorch or some disease. It turned out they were covered in small black…
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Imported willow leaf beetles

Reposted from Imported willow leaf beetle (Plagiodera versicolor) are common on willows in landscapes and natural areas. Most of year adults and larvae are feeding on willows. The adults are iridescent black to blue and about ¼ inch long. The larvae are dull gray. The eggs are yellow and…
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Woolly apple aphids

Re-posted from Update: Today while walking around the neighborhood I saw lots of migrating woolly aphids, probably woolly elm aphid, floating through the air. They look like little white troll dolls with white tufts of ‘hair’. Species in the genus Eriosoma migrate between two hosts. Woolly apple aphids have…
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Gloomy scale crawlers hatching

 Originally posted on Gloomy scale, Melanaspis tenebricosa, is an armored scale that feeds on maples and other tree species. It becomes very abundant on red maples on streets and in landscapes and can cause branch dieback and tree death in some cases. It is not unusual to find trees…
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Orange-stripped oakworm feeding

For the last few weeks, orange striped oakworms have been raining on my head as I work in the trees. They also drop a lot of poop (entomologists call it frass) which is one of the major complaints by homeowners. Orange-striped oakworms congregate on branches to feed every year in…
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New (GIANT) ambrosia beetle in nurseries

Nursery growers have been struggling with ambrosia beetles for decades. In the southeast it is primarily the granulate ambrosia beetle, Xylosandrus crassiusculus. In the Northeast and Midwest the predominate species is Xylosandrus germanus. These are tiny beetles that make tiny … Continue reading →
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