Pests of Grapes :: Major Pests ::Grape Vine Flea Beetle
2. Grape Vine Flea Beetle: Scelodonta strigicollis (Eumolpidae: Coleoptera)
Distribution and status: Found all over India.
Host range:
Damage symptoms: Adult makes small holes on tender leaves while grubs damage roots.
Bionomics
Female lays 220 – 550 eggs, 4-7 cm beneath bark or in soil in groups of 20-40. Egg period 4-8 days, grub period 34-45 days, grub pupates in soil and pupal period 7-11 days. Adult is a shining beetle with a metallic bronze colour and black patches on elytra. Life cycle completed in 53 days and 3-4 overlapping generations completed in a year.
Management
Remove loose bark after pruning.
Collect adult beetles and kill.
Spray carbaryl 50 WP 1.0 kg or chlorpyriphos 20 EC 1.0 L in 500 - 1000 L of water/ha after pulling out the loose bark.
|
|