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Flea Beetles on Wallflower
How to identify and get rid of flea beetles on Wallflower. Size: 1–3mm.
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Identifying flea beetles on Wallflower
Tiny shiny black or striped beetles that jump like fleas when disturbed, found on brassica and other seedling leaves.
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Life cycle
Overwinter as adults in soil and debris, emerging in spring; most active in warm, dry weather with several generations per year.
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Damage to Wallflower
Chew numerous small round holes ('shot-holes') in leaves, which can kill seedlings and slow growth of young plants.
healing
How to treat flea beetles on Wallflower
Cover seedlings with fine mesh. Keep soil moist, as beetles favour dry conditions. Apply diatomaceous earth around plants.
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Preventing flea beetles on Wallflower
Sow into moist, fertile soil to speed seedlings past the vulnerable stage and use row covers from sowing.