pest_control
Rosemary Beetle on Lavender (English)
How to identify and get rid of rosemary beetle on Lavender (English). Size: 7–8mm.
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Identifying rosemary beetle on Lavender (English)
Small, shiny beetle with metallic green and purple longitudinal stripes, found on rosemary, lavender, and thyme.
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Life cycle
Two generations per year; adults active from late summer through spring, larvae feed on foliage overwinter and into spring.
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Damage to Lavender (English)
Adults and larvae chew leaves, often stripping bushes of foliage in patches, particularly in late summer and again after winter.
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How to treat rosemary beetle on Lavender (English)
Hand-pick beetles and larvae, checking plants in autumn and spring when most active. Shake plants over a tray to collect them.
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Preventing rosemary beetle on Lavender (English)
Avoid excess pesticide use that harms natural predators, and inspect susceptible herbs regularly through cooler months.