Pest Infestation
Common houseplant pests include spider mites, mealybugs, fungus gnats, scale, and aphids. Early detection makes management easier.
考えられる原因
Spider Mites
Why: Thrive in dry, warm conditions. Very small and often go unnoticed until damage is visible.
Signs to check: Fine webbing on leaves, tiny dots on leaf undersides, stippled or speckled leaves.
Mealybugs
Why: Sap-sucking insects that produce a white, cottony substance.
Signs to check: White fluffy clusters on stems, leaf joints, or undersides.
Fungus Gnats
Why: Larvae thrive in consistently moist soil.
Signs to check: Small flying insects around soil surface, especially when watering.
確認ポイント
- 1Inspect leaf undersides with a magnifying glass
- 2Check stem joints and new growth areas
- 3Look for webbing, sticky residue, or white fluff
- 4Note any small flying insects around the soil
対処法
- Isolate affected plant from other plants
- Wipe leaves with a damp cloth for minor infestations
- Allow soil to dry between waterings for fungus gnats
- Consider neem oil or insecticidal soap for persistent issues
専門家に相談するタイミング
- Infestation spreading to other plants
- Severe leaf damage or leaf drop
- Plant showing overall decline despite treatment
ポイント
Regular inspection is the best prevention. Catching pests early makes them much easier to manage.
アプリで回復を追跡
進捗を記録し、リマインダーを設定し、AI による診断を受けましょう。
情報源: RHS, Missouri Botanical Garden, NC State Extension. 教育目的で公開されている園芸資料をまとめたコンテンツです。情報源の組織は透明性のためにのみ記載されており、推薦を意味するものではありません。