PEST OF ONION :: MAJOR PESTS :: EARWIG

3. Earwig: Anisolabis stali (Forficulidae: Demaptera)
Distribution and status: Throughout India
Host range: Onion, garlic, cabbage, cotton, sorghum and groundnut Carry to groundnut
Damage symptoms: Nymphs bore into the bulb and make cavities which lead to withering of plants.

Bionomics: Adult is brown to black with forceps like caudal cerci and white jointed legs. Adult female lays 21-139 eggs, egg period 14 days. Nymphs white in the early stage turn brown in the later stage, nymphal period 50 -54 days.

Management: Refer Groundnut