Insect pests
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(Lepidoptera, Plutellidae) Author: David Riley, Entomologist, University of Georgia, 2018 Description Immature stages: Eggs are small, flat-oval (0.44 mm long), yellow, and usually laid singly on leaves. Larvae are light to dark green, tapering slightly at both ends with four pairs of prolegs, with slightly darker head and scattered hairs. Ranges in size from about…
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Hyphantria cunea (Drury) Author: Elizabeth McCarty, Forest Health Specialist, University of Georgia. Description Fall webworm has two color forms – red- and black-headed, referring to color of the head capsule. Red-headed webworm adult moths are white with brown spots and are most often found in the southern U.S. Caterpillar color varies, but in general, red-headed…
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Hemiptera, Aleyrodidae Authors: David G. Riley, Phillip Roberts, University of Georgia, 2020 Description The whitefly Bemisia tabaci (Gennadius) is a species complex containing at least 35 morphologically indistinguishable cryptic species. Some members of the complex are pests of agricultural and horticultural crops in temperate and tropical regions. In the past 20 years, whiteflies have risen…
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Hellula, rogatalis Or Oriental cabbage webworm (Hellula, unadalis). Authors: David Riley and Stormy Sparks, Extension Entomologists, University of Georgia, 2018 Description Immature stages: The eggs are flattened, 0.3 mm wide by 0.5 mm long, and are laid singly or in small groups on terminal leaves. The mature larvae are yellowish gray with five brownish-purplish bands…
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Helicoverpa zea Also known as tomato fruitworm and bollworm. Authors: David Riley, Alton Sparks, Phillip Roberts, Entomologists, University of Georgia, 2022 Description Immature stages: Eggs are pale green when laid, turning yellow and darkening with age. Eggs are flattened sphere shaped with ridges radiating from top-center. Larvae range in size (1.5 mm – 25 mm).…
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Tobacco thrips: Frankliniella fusca (Hinds) Western flower thrips: Frankliniella occidentalis (Pergande) Flower thrips: Frankliniella trtici (Fitch) Authors: David Riley, Alton Sparks, Entomologists, University of Georgia, 2022 Description Immature stages: Larval thrips are similar in body structure to adult thrips but lack well developed wings. Wing pads are visible on prepupae and pupae. Larval thrips are…
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Phyllocoptes fructiphilus Authors: Alejandra Monterrosa, Shimat Joseph, Will Hudson, Jean Williams-Woodward, Bodie Pennisi, University of Georgia, 2020 Description Immature stages: Larvae are transparent becoming white and slightly translucent as they develop through twolarval stages. Adult stages: Yellowish in color, adults measure about 140 to 170 micrometers long, tapered at both ends. Adults have two pairs…
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Epitrix hirtipennis (Melsheimer) Epitrix fasciata (Blatchley) – Southern tobacco Author: David Riley, Professor, University of Georgia, 2019 Description Immature stages: Tobacco flea beetles have three larval instars, or developmental stages, that are all whitish with darker heads, and all feed on fine roots near the soil surface or occasionally tunnel into larger roots. The tobacco…
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Ashfaq Sial, Department of Entomology, University of Georgia, 2025 Blueberry bud mite, Acalitus vaccinii (Keifer) is a tiny eriophyid mite. If abundant, bud mites can abort flower buds producing symptoms that resemble cold injury or poor fruit set. Blueberry bud mites are roughly 125th inch long, white to translucent in color, and somewhat carrot-shaped, with the front end or head being a bit larger than the…