Insect Management Handbook

Includes

Onion thrips (Thrips tabaci)

Western flower thrips (Frankliniella occidentalis)

Pest description and crop damage

See:

Includes

Onion maggot (Delia antiqua)

Seedcorn maggot (Delia platura)

Includes

American serpentine leafminer (Liriomyza trifolii)

Pea leafminer (Liriomyza huidobrensis)

Rhyzoglyphus spp.

Pest description and crop damage Bulb mites are shiny, creamy white, bulbous, and about 0.03 inch in length. They are generally in clusters, in damaged areas under the root plate of onion bulbs or garlic cloves. They have a wide host range, feed on many kinds of bulbs, roots, and tubers, and can infest bulbs in storage or in the field. Bulb mites can survive on decaying vegetation in the field until it is completely decomposed.

Petrobia latens

Pest description and crop damage The brown wheat mite is tiny, dark, and less than 0.03 inch in length, with front legs longer than the body. Feeding mottles the leaves, giving them a bronzed, silvery, or (later) scorched appearance. Host plants include cereals, onions, carrots, alfalfa, iris, and gladiolus.

Includes

Beet armyworm (Spodoptera exigua)

Bertha armyworm (Mamestra configurata)

Limonius spp.

Pieris rapae

Pest description, crop damage and life history

See:

Common Pests of Vegetable Crops

Includes cabbage flea beetle (Phyllotreta cruciferae)

Plutella xylostella