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Department of Entomology

Department of Entomology
123 W. Waters Hall
1603 Old Claflin Place
Kansas State University
Manhattan KS 66506-4004

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Raymond A. Cloyd Extension & Research Program


Raymond A. Cloyd is a professor and extension specialist in horticultural entomology/plant protection in the Department of Entomology at Kansas State University (Manhattan, KS) with an extension (70%) and research (30%) appointment. Raymond received his MS and PhD from the Department of Entomology at Purdue University (West Lafayette, IN), and was employed as a professor at the University of Illinois (Urbana, IL) in the Department of Natural Resources and Environmental Sciences prior to his employment at Kansas State University. His research and extension program involves plant protection/pest management of horticultural insect and mite pests in greenhouses, nurseries, landscapes, turfgrass, conservatories, interiorscapes, Christmas trees, vegetables, fruits, cannabis, and hemp. In addition, Raymond provides assistance to beekeepers and is involved in pollinator protection.

Raymond is the extension specialist in horticultural entomology for the state of Kansas with a major clientele that includes homeowners, master gardeners, and professional operators and commercial producers. Raymond has published approximately 100 scientific refereed publications, 900 trade journals, and 90 extension publications on topics related to pest management/plant protection. In addition, he has authored or co-authored numerous books (Greenhouse Pest Management, Pests and Diseases of Herbaceous Perennials, IPM for Gardeners, Plant Protection: Managing Greenhouse Insect and Mite Pests, Compendium of Rose Diseases and Pests, and Compendium of Bedding Plant Diseases and Pests), book chapters, manuals, PICT or picture-pocket guides, and extension-related publications. Raymond is a frequent speaker at state, national, and international conferences and seminars; and has received numerous awards and honors during his over 20 year academic career. Raymond’s specialty areas include: plant protection, biological control, plant-insect interactions, insect ecology, pesticides, resistance management, and sanitation.


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