pest_control
Vine Weevil on Pulmonaria
How to identify and get rid of vine weevil on Pulmonaria. Size: 8–10mm.
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Identifying vine weevil on Pulmonaria
Adults: dull black beetles with pitted wing cases, active at night. Larvae: white C-shaped grubs in soil.
cycle
Life cycle
Adults emerge spring/summer. Larvae overwinter in soil eating roots. One generation per year.
warning
Damage to Pulmonaria
Adults notch leaf margins. Larvae devastate root systems, causing sudden plant collapse.
healing
How to treat vine weevil on Pulmonaria
Nematodes (Steinernema kraussei) applied to moist soil in spring/autumn. Systemic insecticide.
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Preventing vine weevil on Pulmonaria
Check rootballs when repotting. Sticky traps. Nematodes as preventive measure.