2013 6 25 Plants Pests and Pathogens-Diseases of Roses

Insects and Other Arthropods
 Barklice (Psocoptera/Psocodea)
 Sawflies
 Hibiscus sawfly (Atomacera decepta)
 Hollyhock sawfly (Neoptilia malvacearum)
 How to tell sawflies from caterpillars

 Emerald ash borer (Agrilus planipennis) in NC

 Beneficial spotlight
— Carolina leaf-rolling cricket (Camptonotus carolinensis)

 BOLO (Be On the Look Out)
 Rain = millipedes (greenhouse millipede – Oxidus gracilis)
 Ficus gall midge (Horidiplosis ficifolii)
 Herbs with black swallowtail (Papilio polyxenes) larvae
 Hornworms (Manduca sp.) on tomato

 Plant Diseases
 Tree leaf spots (with different management recommendations)
 Leaf spot on redbud caused by Passalora cercidicola
 Mycosphaerella leaf spot of mulberry
 Corn diseases, especially sweet corn
 Common smut (Ustilago maydis)
 Bacterial stalk rot (Erwinia (Dickeya) chrysanthemi and other bacteria)
 Nematode injury
 Cucurbit downy mildew

 Watch for in July and August
 Entomosporium leaf spot of Photinia and Indian hawthorn
 Brown rot of stone fruits
 Peach scab
 Slime flux of hardwood trees
 Bacterial leaf scorch
 Late blight of tomato (and potato)
 other diseases and disorders (“be on the lookout” lists)

 Announcing the NCSU Plant Pathology Extension Portal ()

Current Issues in Plant Pathology
Mike Munster, Plant Disease & Insect Clinic

Current Issues in Entomology
Matt Bertone
Plant Disease and Insect Clinic

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