Pest Profiles
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Common name: Cockroaches
Posted in: Pest Profiles -
Meloidogyne spp. Author: Ganpati Jagdale, Extension Nematology & Pathology, University of Georgia, 2022 Description Females are pear-shaped and about 0.4-1.3 mm long and 0.27-0.75 mm wide. Whereas males are vermiform (worm-shaped) and about 1-1.5 mm long and 30-36 µm in diameter. Immature, second-stage juveniles (J2s) are thread-like and colorless roundworms (0.5 – 0.75 mm long),…
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(Coleoptera, Chrysomelidae) Author: David Riley, Entomologist, University of Georgia, 2018 Description Immature stages: The eggs are orange, elongated, and occur in clusters of 20-60 eggs. The larvae are reddish and black and very plump. Two rows of black spots occur on each side of the abdomen. Both stages occur on the leaves of tomato or…
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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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(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).…