Insect Management Handbook

Psila rosae

Pest description, crop damage and life history

See:

Image related to Carrot-Carrot rust fly

Includes

Bean aphid (Aphis fabae)
Green peach aphid (Myzus persicae)
Willow-carrot aphid (Cavariella aegopodii)

Image related to Carrot-Aphid

Ctenicera spp. and Limonius spp.

Pest description, crop damage and life history

See:

Management-biological, cultural, tactical

See:

Image related to Broccoli, Brussels sprout, cabbage, cauliflower-Wireworm

Includes

Western flower thrips (Frankliniella occidentalis)
Corn thrips (Frankliniella williamsi)

Includes

Arion spp.
Black greenhouse slug (Milax gagates)
Gray field slug (Derocerus reticulatum)
Large spotted garden slug (Limax maximus)
Marsh slug (Derocerus laeve)
Reticulated slug (Prophysaon andersoni)

Pest description, crop damage and life history

Image related to Broccoli, Brussels sprout, cabbage, cauliflower-Slug

Includes

Alfalfa looper (Autographa californica)
Cabbage looper (Trichoplusia ni)

Pieris rapae

Pest description, crop damage and life history

See:

Image related to Broccoli, Brussels sprout, cabbage, cauliflower-Imported cabbageworm

Various species

Pest description and crop damage Grasshoppers eat irregular holes in leaf tissue and can defoliate plants in high numbers, especially when swarming. Damage tends to be greatest on the edges of fields near pasture areas or roadsides. When wild grasses and other plants become dry, grasshoppers migrate to irrigated croplands.

Management-Biological control

Scutigerella immaculata

Pest description, crop damage and life history

See:

Image related to Broccoli, Brussels sprout, cabbage, cauliflower-Garden symphylan

Includes cabbage flea beetle (Phyllotreta cruciferae)

Pest description, crop damage and life history

See:

Image related to Broccoli, Brussels sprout, cabbage, cauliflower-Flea beetle