Gall midge (Orseolia oryzae, Diptera )

• They feed at growing points which turn intogallsl in the planTubular gallsll dry off without bearing panicle and appear like sliver shoots or onionshootstFormationon of a hollow cavity or tubular gall at the base of the infested The gall formed is a silvery white hollow tube.
• affected tiller inhibits the growth of leaves and fails to produce panicles
• deformed, wilted, and rolled leaf
• elongation of leaf sheaths also called onion leaf or ssilver shoot
• plant stunting

Identification

• Egg : Reddish, elongated, tubular eggs just near the ligule of the leaf blade
• Larva: Maggot is pale to red color feeds inside the gall
• Pupa: Pupates at the base of the gall and moves to the tip of the gall.
• Adult : orange colored mmosquito-likefly.

Management

• Early panting and distruction is suitable.
• Biological control agents: platygasterid, eupelmid, and pteromalid wasps (parasitize the larvae), phytoseiid mites (feed on eggs), spiders (feed on adults)
• Apply granular insecticide as in steam borer and also applied in mealy bug .