Pests

Flea beetles

Identify Flea beetles: symptoms, possible causes, prevention, and practical actions for 15 affected plants. Small, round holes in leaves

Affected plantsPests

Flea beetles is relevant across 15 plant profiles on Wild-Wuchs. In the data it is most often linked with Watercress, Napa cabbage, Choy Sum, Radish, Garden cress. Typical signs include: Small, round holes in leaves For gardeners, early diagnosis, suitable growing conditions, and gentle action matter most: Mulchen zur Feuchtigkeitsbindung

Plants

15

Category

Herbs, Vegetables

Risk

medium

Synonyms

Erdfloehe, Erdfloh, Erdflöhe, Flea Beetles (Phyllotreta spp.), Flea beetle, Phyllotreta, Phyllotreta-spp, erdfloehe

Scientific name

Phyllotreta spp.

Overview

Symptoms

  • Small, round holes in leaves
  • especially on young plants
  • Stunted growth

Damage

Small beetles that chew characteristic small holes in the leaves. They jump when disturbed.

Prevention

  • Early sowing to survive the critical phase before the main beetle appearance
  • Strengthening plants through good fertilization and watering

Organic control

  • Mulchen zur Feuchtigkeitsbindung
  • Mulching the soil to hinder their jumping ability
  • Row covers

Season

April to June

Affected plants

WatercressNapa cabbageChoy SumRadishGarden cressbuck's-horn plantainKomatsunaMay turnipBok choyRomanesco broccoliBrussels sproutsbeetred cabbageArugulapointed cabbage

Guides

Related guides

Garden guides

Similar topics

Cabbage White ButterflyAphidsCabbage Root FlySlugsDiamondback MothBeet leaf minerCabbage AphidWireworms

FAQ

How do I recognize Flea beetles?

Small, round holes in leaves

What causes Flea beetles?

Causes often relate to site conditions, weather, care, plant density, or pest pressure.

How can I prevent Flea beetles?

Early sowing to survive the critical phase before the main beetle appearance

What helps against Flea beetles?

Mulchen zur Feuchtigkeitsbindung

Which plants are affected?

Watercress, Napa cabbage, Choy Sum, Radish, Garden cress, buck's-horn plantain, Komatsuna, May turnip, Bok choy, Romanesco broccoli, Brussels sprouts, beet

When does Flea beetles usually appear?

April to June