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      Scindapsus Pictus 'Argyraeus' – Spotted Ivy - 15-25 cm
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      Surprise Box – Mix of Houseplants – 5-10 plants per set
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      Ficus Ginseng – Bonsai-Feige, 40–70 cm
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      Mini kiwi “Issai” – Actinidia arguta, 2 plants, 11 cm pot, approx. 40 cm height
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      Apple tree “Elstar” – in a pot, 90 cm tall
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      Fig tree “Little Miss Figgy” (Ficus carica) Organic – 23 cm pot, approx. 50 cm tall
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      Bay laurel (Laurus nobilis) – 35–130 cm
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      Trachycarpus fortunei – robuste Winterharte Palme, 21 cm Topf, 90–100 cm Höhe
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      Nobilis-Tanne – Mini-Weihnachtsbaum, 30–60 cm
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      Yellow Kiwi “Golden Kiwi” (Actinidia deliciosa), 2 plants, 50 cm tall
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      Mini kiwi “Issai” – Actinidia arguta, 2 plants, 11 cm pot, approx. 40 cm height
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      Apple tree “Elstar” – in a pot, 90 cm tall
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      Hibiscus syriacus ‘Tricolour’ – Stämmchen für Terrasse und Garten, 19 cm Topf, 90 cm Höhe
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      Outsider Box - Surprise Box - Mix of unique plants - 8-12 plants per set
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      Scindapsus Pictus 'Argyraeus' – Spotted Ivy - 15-25 cm
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      Ficus Lyrata – Fiddle-leaf Fig – 30-130 cm
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      Surprise Box – Mix of Houseplants – 5-10 plants per set
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      Predatory mite mix against fungus gnats & red bird mites – loose product
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      Predatory mites against thrips – loose product
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      Predatory mite mix against thrips & spider mites – loose product
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      SF nematodes against fungus gnats, codling moths & ants
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      HB nematodes against black vine weevils and grubs
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      SF nematodes against codling moth
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      Storage wasps against bread beetles, rice beetles & Co.
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      Camp pirates against larder beetles, rice flour beetles, fur beetles & carpet beetles
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      Mosquito window trap with special attractant
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      Pheromone attractant replacement foils for sticky traps (3 pieces)
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Schädlingslexikon – Green Guardia

Kartoffelkäfer: Erkennen, Fraßschäden & natürlich handeln

Der Kartoffelkäfer (Leptinotarsa decemlineata) kann Kartoffelpflanzen in kurzer Zeit stark schädigen. Besonders die Larven verursachen massiven Blattfraß. Hier erfährst du, wie du Kartoffelkäfer, Eier und Larven sicher erkennst, welche Schäden typisch sind und welche natürlichen Maßnahmen helfen.

ⓘLeptinotarsa decemlineata #Kartoffelkäfer Larven · Blattfraß an Kartoffeln

Was ist der Kartoffelkäfer?

Der Kartoffelkäfer ist ein auffällig gelb-schwarz gestreifter Blattkäfer. Er überwintert im Boden und erscheint im Frühjahr/Frühsommer wieder an Kartoffelpflanzen. Nach der Eiablage schlüpfen Larven, die den größten Schaden verursachen.

Kartoffelschädling Larven fressen stark überwintert im Boden

So erkennst du Kartoffelkäfer, Eier & Larven

  • Erwachsener Käfer: gelb mit schwarzen Längsstreifen, rundlich-oval
  • Eier: leuchtend gelb-orange, in Gruppen an Blattunterseiten
  • Larven: rötlich bis orange, dicklich, mit dunklen Punkten an den Seiten
Green Guardia Tipp: Schau besonders die Blattunterseiten an. Wer Eier früh findet und entfernt, verhindert den stärksten Fraß durch Larven.

Typische Schadbilder

  • unregelmäßige Fraßstellen an Blättern
  • schneller Kahlfraß (Blätter werden stark reduziert)
  • sichtbare Larvenansammlungen auf einzelnen Pflanzen
  • geschwächte Pflanzen und geringere Knollenbildung

Welche Pflanzen sind betroffen?

  • Kartoffeln (Hauptwirt)
  • andere Nachtschattengewächse (z. B. Aubergine)
  • vereinzelt auch Tomaten (je nach Region/Befallsdruck)

Warum kommt es zum Befall?

  • Überwinterung im Boden nahe dem Anbaugebiet
  • warmes Frühjahr beschleunigt Entwicklung
  • wenig Kontrolle: Eier/Larven bleiben unentdeckt
  • große Kartoffelbestände in der Umgebung

Natürliche Vorbeugung

1. Regelmäßig kontrollieren

  • ab Austrieb wöchentlich Blattunterseiten prüfen
  • besonders an warmen Tagen häufiger kontrollieren

2. Fruchtfolge & Standort

  • Kartoffeln nicht jedes Jahr am gleichen Ort anbauen
  • bei Möglichkeit Abstand zu Vorjahresflächen erhöhen

3. Pflanzen stärken

  • ausgewogene Nährstoffversorgung
  • gleichmäßige Wasserversorgung (nicht „Stress“-Trockenheit)

Sanfte Maßnahmen bei Befall

  • Eiergruppen an Blattunterseiten entfernen
  • Käfer und Larven absammeln (morgens/abends)
  • stark befallene Blätter gezielt entfernen

Nützlinge & natürliche Gegenspieler

Im naturnahen Garten helfen verschiedene Gegenspieler, den Druck zu reduzieren. Dazu zählen vor allem Vögel, Laufkäfer und andere räuberische Insekten. Praktisch ist bei Kartoffelkäfern jedoch vor allem die mechanische Kontrolle (Eier/Larven absammeln), weil die Stadien gut sichtbar sind.

Warum Absammeln so effektiv ist: Kartoffelkäfer legen Eier in Gruppen ab – entfernst du die Gelege früh, verhinderst du viele Larven auf einmal.

FAQ zum Kartoffelkäfer

Wann treten Kartoffelkäfer am häufigsten auf?

Meist im späten Frühjahr bis Sommer, abhängig von Witterung und Region. Nach warmen Perioden können sich Eier und Larven besonders schnell entwickeln.

Wo finde ich die Eier?

Fast immer an der Blattunterseite – als gelb-orange Eierpakete in Gruppen.

Wie schnell kann eine Pflanze kahlgefressen werden?

Bei starkem Larvenbefall sehr schnell – deshalb ist frühe Kontrolle entscheidend.

Was ist der beste erste Schritt bei Befall?

Eier entfernen und Larven absammeln. Danach weiter regelmäßig kontrollieren, damit keine neuen Gelege übersehen werden.

Schnellüberblick

  • Schädling: Kartoffelkäfer
  • Bereich: Gemüsebeet (Kartoffeln)
  • Schadbild: Blattfraß bis Kahlfraß
  • Fokus: Eier entfernen, Larven absammeln
✓ Früh erkennen = weniger Schaden

Typische Hinweise

  • Eierpakete an Blattunterseiten
  • rötliche Larven mit Punkten
  • schnell zunehmender Fraß
  • mehrere Larven auf einer Pflanze

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