Submitted by naipictuasdharwad on Fri, 21/05/2010 - 15:50
Posted in
Citrus butterfly/Citrus dog biology, Nature of damage and symptoms
S.N: Papilio demoleus (Papilionidae: Lepidoptera)
Regular and serious pest on all citrus species
Also attacks curry leaves
Appearance:
- Adult has black and yellow markings on wings
- Early instar larvae resemble bird droppings
- Late instar dark green, stout with a pair of hidden red osmetorium which emits defensive secretion when disturbed
Biology:
- Grayish yellow eggs are laid singly on the leaf surface
- IP- 4 days; LP- 13-21 days; PP- 8-16 days
- Pupation in the plant and is called chrysalis
Nature of damage:
- Larva feed on the tender leaves
Damage symptoms:
- Defoliation of the plant
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