Insect pests

  • Interested in learning about integrated pest management options for blueberries? Need pesticide credits? Register for the Virtual Extension IPM Blueberry Field Day and join in next Tuesday, April 7th, 2020 from 10:00 am – 12:00 pm (EST). Register at: https://attendee.gotowebinar.com/register/1714103849236858380

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  • Cotton jassid

    Amrasca biguttula (Hübner) Author: Sydney Weigand, University of Georgia, 2025 Source: Phillip Roberts, University of Georgia, 2025 *Cotton jassids have only appeared in Georgia recently, and the situation is still developing. Research is being conducted to discover better ways to manage these pests. More information will be added as it becomes available. Description Immature stages:…

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  • Fall armyworm

    Spodoptera frugiperda (Smith) Authors: Shimat Joseph, Will Hudson, Clint Waltz, University of Georgia, 2019 Description Immature stages: Fall armyworms are approximately 1-1 ½ inches long, depending on instar, and can vary in color form a green to mottled brown, to almost black. Fall armyworms have wide black stripes running down each lateral (side) of the…

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  • Granulate ambrosia beetle

    Xylosandrus crassiusculus (Mot.) Authors: Shimat Joseph & Will Hudson, Entomology, University of Georgia, Paul Pugliese, Extension University of Georgia, 2020 Description Immature stages: Immatures are developed inside the heartwood region of the tree, feeding on the fungus they farm. Adult stage: Adult females are about 2.5 mm. Females can readily fly, males are flightless and…

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  • Grape root borer

    Vitacea polistiformis (Harris) Author: Brett Blaauw, Fruit Entomologist, University of Georgia, 2021 Description Immature stages: The larvae are cylindrical, cream-colored with a brown head, and 1.5 inches long when mature. Adult stage: Adult GRB are day flying moths, reddish-brown in color and resemble paper wasps, particularly when flying. Biology GRB is a clearwing moth with…

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  • Grasshoppers

    (Orthoptera, Acrididae) (Schistocerca americana) – American Bird (Melanoplus, spp) – Melanoplinae (Orchelimum, spp) – Meadow Katydids Authors: Alton Sparks and David Riley, Entomologists, University of Georgia, 2021 Description Immature stages: – American bird grasshopper eggs are elongated (7.5 mm x 2 mm), light orange to tan, and are clustered together in a pod of 75-100…

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  • Chilli thrips

    Scirtothrips dorsalis Hood; Thysanoptera: Thripidae Author: Ashfaq Sial, Department of Entomology, University of Georgia, 2025 Chilli thrips (Scirtothrips dorsalis Hood; Thysanoptera: Thripidae) have emerged as a serious pest threat to blueberry production in the southeastern United States. Originally native to Asia, this invasive species has established populations in Florida, Louisiana, Texas, and most recently Georgia. The pest…

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  • Cabbage looper

    Trichoplusia ni (Hübner) Authors: Alton “Stormy” Sparks, David Riley, University of Georgia, 2021 Description Immature stages: Eggs are round and flat (0.6 mm wide by 0.4 mm high) with fine ridges from top to bottom. Larvae are light to dark green with a light longitudinal stripe on either side of the body and two pair…

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  • Chrysops, Diachlorus, Tabanus spp. (Insecta: Diptera: Tabanidae) Author: Dr. Nancy Hinkle, Entomologist, University of Georgia, 2022 Description Immature stages: Eggs are cylindrical in shape, 1 to 2.5 mm in length and are initially creamy white but darken within hours. Larvae taper at each end and are whitish, brown or green depending on the species. Black…

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  • Pissodes nemorensis Authors: Integrated Pest Management Program, University of Georgia, 2020 Description Immature stages: The legless larvae are white with a light amber to dark orange head. They can be 6-12 mm long when mature. The pupae are similar in size to adults, but are creamy white, darkening as they complete the developmental stage. Adult…

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