Insect Management Handbook

Includes spinach leafminer (Pegomya hyoscyami)

Scutigerella immaculata

Pest description, crop damage and life history

See:

Common Pests of Vegetable Crops

Biology and control of the garden symphylan

Image related to Spinach-Garden symphylan

Tipula paludosa

Pest description and crop damage Small, gray-brown, worm-like larvae that develop a tough skin and are commonly called leatherjackets. They feed on clover and a number of vegetables. They are particularly damaging to seedling vegetables.

Management-chemical control: HOME USE

Image related to Spinach-European cranefly

Western spotted cucumber beetle (Diabrotica undecimpunctata)
Western striped cucumber beetle (Acalymma trivittatum)

Pest description, crop damage and life history

See:

Image related to Spinach-Cucumber beetle

Primarily Onychiurus pseudarmatus

Pest description and crop damage Small, white, slow-moving, soil-dwelling insects that feed on germinating seeds or roots of small plants, causing reduced stands and loss of vigor in surviving plants. They usually are in localized or irregular spots in the field.

Management-chemical control: HOME USE

Includes

Beet armyworm (Spodoptera exigua)
Bertha armyworm (Mamestra configurata)
Western yellowstriped armyworm (Spodoptera praefica)