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PESTS OF SORGHUM :: Minor Pests :: Leaf Roller


14. Leaf roller: Marasmia trapezalis (Pyralidae: Lepidoptera)

Damage symptoms: Leaves are folded longitudinally especially near the tips and leaves dry from the tip.

Bionomics: Adult moth possess greyish wings with three dark transverse stripes and a dark wide sub terminal band.  Larva is pale greenish yellow with conspicuous setae.  Head and thoracic shield are reddish brown in colour.

Management: Hand pick rolled leaves and spray carbaryl 50 WP at1 kg/ha.