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Seedcorn Maggot - Vegetables

Back to Seedling and Transplant Problems Cabbage on left is infested with seedcorn maggot Photo: Clemson University - USDA Cooperative Extension Slide Series, Bugwood.org Appearance Eggs: Tiny, elongate, oval, slightly curved, pearly white eggs, usually laid at soil surface singly or in small...

Potato Leafhopper - Vegetables

Back to Vegetable Crops Puckered leaves Potato leafhopper nymph - Empoasca fabae Photo: Frank Peairs, Colorado State University, Bugwood.org Appearance Eggs: Transparent to pale yellow, tiny, inserted into leaf tissue. Nymphs : 5 instars, most of which are elongated and wedge-shaped, pale green,...

Leafminer - Vegetables

Back to Vegetable Crops White lines or trails in leaves Leafminer damage on pumpkin leaves Leafminers are the larvae or immature stages of insects that feed between the surfaces of leaves. Spinach and vegetable leafminer ( Liriomyza sativae) , and American serpentine or Chrysanthemum leafminer (...

Japanese Beetles - Edibles

Back to Insects - Brambles Back to Herb Problems Adult Japanese beetle - Popillia japonica Appearance Eggs : Tiny, white to yellowish white eggs are laid in soil during the summer. Usually deposited 3 to 4 at one location. Larvae: Wrinkled, thick, white grubs with yellowish brown heads, up to 1 1/4...

Cutworm - Vegetables

Back vegetable seedling and transplant problems Plants cut off at soil line. Black cutworm larva (Agrotis ipsilon) and damage it caused to a young corn plant. Photo: W.M. Hantsbarger, Bugwood.org Appearance Eggs: Tiny, white-brown spheres (black cutworm) or half-spheres (variegated cutworm), with...

Corn Earworm - Vegetables

Back to Vegetable Crops Worms in Corn Corn Earworm/Tomato Fruitworm Appearance Eggs: Pale green discs that turn yellowish, then gray, with noticeable ridges radiating from the center, laid singly on leaf hairs or corn silk. Larvae: Caterpillars up to 1 3/4" of variable colors, ranging from green,...

Cabbage Looper - Vegetables

Back to Vegetable Crops Ragged holes in the leaves of cole crops, broccoli, Brussels sprouts, cabbage, cauliflower, collards, kale, turnips, etc. Larva of cabbage looper ( Trichoplusia ni) Photo: David Cappaert, Michigan State University, Bugwood.org Appearance Eggs : Tiny yellowish-white to...

Stink Bugs - Vegetables

Back to Common Problems - Tree Fruit Back to Insects - Brambles Back to Vegetable Crops Adult brown marmorated stink bug (BMSB) ( Halyomorpha halys) Appearance Eggs: light colored clusters of about 25 (up to 60 for brown stink bug), on end, under leaves. Brown marmorated stink bug eggs (BMSB) are...

Squash Vine Borer - Vegetables

Back to Vegetable Crops Dead, wilting squash plants Squash vine borer larva damaging a squash plant Appearance Eggs : tiny brown flattened ovals attached singly. Larvae : wrinkly, white to cream color hairless caterpillar up to 1" with dark head. Squash vine borer larva Video: Dr. M. Raupp Pupa :...

Squash Bug - Vegetables

Back to Vegetable Crops Gray insects on squash Squash bug adult and eggs - Anasa tristis Appearance Eggs : Shiny, elliptical, rubbery, bronze colored; in clusters of about 20 eggs. Nymphs : Newly hatched nymphs are pale green with black legs, and very gregarious. Five instars (growth stages) occur...

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