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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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      Ficus Ginseng – Bonsai-Feige, 40–70 cm
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      Ceropegia woodii – Lantern flower - 14 cm pot, 50 cm tall
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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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      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 – robust, hårdfør palme, 21 cm potte, 90-100 cm højde
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      Fig tree “Brown Turkey” (Ficus carica) – 19cm pot, 90cm tall
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      Nobilis gran – mini juletræ, 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' – standardtræ til terrasse og have, 19 cm potte, 90 cm højde
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      Fig tree “Brown Turkey” (Ficus carica) – 19cm pot, 90cm tall
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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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      Ficus Ginseng – Bonsai-Feige, 40–70 cm
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      Predatory mite mix against thrips & spider mites for hanging or scattering
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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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      SC nematodes against mole crickets, meadow crane flies and cutworms
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      Mosquito window trap with special attractant
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      Paper fish trap with pheromone attractant
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      Pheromone attractant replacement foils for sticky traps (3 pieces)
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      Larder beetle trap with pheromone attractant
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Skadedyrsordbog – Green Guardia

Haveskader: Sådan identificerer og bekæmper du biller og larver naturligt

Haveskaden bliver ofte først mærkbar, når græsplænen pludselig ser slap ud: Larverne (larver) lever af rødderne og kan underminere hele områder. De voksne biller kan også nippe til blade – men den største skade sker i jorden. Angreb kan meget effektivt reduceres naturligt med det rette gavnlige insekt.

ⓘPhyllopertha horticola · Havebladbille #Grubber · Græsrodsskader · Bare pletter

Hvad er haveslidsåren?

Haveskaden (Phyllopertha horticola*Python spp.* er en lille skarabæbille, der flyver som voksen i forsommeren/sommeren. Hunnerne lægger æg i jorden (ofte i græsplæner). Disse klækkes i... larver, som lever af planters rødder og græsplæner. Dette får græsset til at løsne sig let og blive gult til brunt.

Biller om sommeren Larver i jorden Berørte græsplænerødder
Vigtig: De forskellige billelarver ligner hinanden. For at bestemme den rette fremgangsmåde er det afgørende at fastslå, om der rent faktisk er larver i jorden (og ikke f.eks. tørkestress eller svampeproblemer). En simpel test: Løft et stykke græstørv op – hvis rødderne let løsner sig, og du finder larver, er det en stærk indikation.

Sådan genkender du en angreb

  • Gule til brune pletter i græsplænen, der spreder sig
  • Græstørven kan pilles af som et tæppe (rødderne mangler).
  • Jordlarver (C-formede, hvidlige)
  • Flere fugle/spor af vilde dyr i græsplænen (de leder efter larver)
  • Voksne biller om sommeren på blade/græs
Green Guardia-tip: Tjek græsplænen omkring kanterne af det beskadigede område: Larver findes ofte der i højere koncentrationer. En spadefuld jord er normalt nok til at bestemme det nøjagtige antal.

Hvilke områder er ofte berørt?

  • Græsplæner (især solrige/varme steder)
  • Bede med græsser og stauder (rodskader mulige)
  • Haver med sandet, løs jord

Hvorfor opstår der angreb?

  • Varmt vejr favoriserer flyvning og æglægning.
  • Løse, ret tørre jorde er attraktive
  • Græsplænen er svækket (tørkestress, manglende pleje)
  • få naturlige antagonister i jorden

Naturlige foranstaltninger og egnede gavnlige insekter

1. Styrk græsplænen (forebyggelse)

  • Vand regelmæssigt i tørre perioder (grundigt i stedet for "lidt hver dag")
  • Luft/vertikuler græsplænen (ikke for aggressivt)
  • Jordforbedrende foranstaltninger (humus, sand afhængigt af jordbunden)

Anbefaling af gavnlige organismer: Nematoder mod larver

mod larver i jorden Nematoder den passende naturlige løsning (afhængigt af larvetypen, f.eks.) Heterorhabditis- eller Steinernema-arter). De er aktive i jorden og hjælper med at reducere larver.

  • Hvorfor det passer godt: Larverne lever i jorden – nematoder er aktive netop i dette habitat.
  • Hvorfor dette er nyttigt: De reducerer larver, før rodskader bliver udbredt.
  • Vigtig: Jorden skal være tilstrækkelig fugtig; påføring udføres bedst ved passende temperaturer.
Hvorfor denne anbefaling er passende: Den største skade forårsages af larver på rødderne. Nematoder rammer områder, hvor mekaniske metoder er vanskelige at nå – direkte i jorden.

Ofte stillede spørgsmål om haveslibemaskinen

Er hver eneste larve i græsplænen en haveskader?

Nej. Andre billearter har også larver. Den afgørende faktor er kombinationen af skadesmønster, opdagelse i jorden og, hvis relevant, billernes flyveperiode. I praksis er det vigtigste at reducere larvebestanden, når de beskadiger rødderne.

Hvornår er det bedste tidspunkt at anvende nematoder?

Når unge larver er aktive, og jorden er varm nok – ofte fra sommer til tidligt efterår. God jordfugtighed før og efter påføring er vigtig.

Hvorfor river fugle min græsplæne op?

Fugle (og nogle gange andre dyr) søger efter larver. Dette er en stærk indikation af larver i jorden.

Kan græsplænen komme sig?

Ja – hvis larverne reduceres, og græsplænen efterfølgende plejes godt, heler beskadigede områder ofte.

Hurtigt overblik

  • Skadedyr: Haveovertræk
  • Problem: Grubber spiser rødder
  • Tegn: Bare pletter, afskalning af græsplænen
  • Nyttige insekter: Nematoder (afhængigt af arten)
✓ Beskyt rødderne

Typiske tegn

  • gule/brune græsplæner
  • Græsplænen kan fjernes "tæppelignende"
  • Slidgigt i jorden
  • Fugleaktivitet på græsplænen

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