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      • Make some
      • green plants
      • Hanging plants
      • Palm trees
      • Succulents
      • Flowering houseplants
      • Houseplant Sets
      • Mediterranean & citrus plants
      • Balcony fruit
      • Flowering potted plants
      • Privacy plants
      • Shade plants
      • Plants for full sun
      • Flowering shrubs
      • Hydrangeas
      • Ground cover
      • Climbing plants
      • Conifers
      • Deciduous trees
      • fruit
      • Roses
      • Ornamental grasses
      • Haveplantesæt
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      • against codling moths
      • against plum moths
      • against clothes moths
      • against pantry moths
      • against thrips
      • against spider mites
      • against thrips and spider mites
      • against fungus gnats and bird mites
      • against ants
      • against codling moths
      • against flea beetles
      • against vine weevils and grubs
      • against mole crickets & Co.
      • against slugs
      • against fungus gnats & Co.
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    • against bed bugs
    • against aphids
    • against fleas for dogs
    • tick prevention for dogs
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    • insect repellent for horses
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    • mod mus/rotter
    • against moths
    • against mites
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    • against wasps
    • against ticks
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    • against aphids and mealybugs
    • against box tree moth
    • against potato beetles
    • against food and clothes moths
    • against spider mites
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    • against thrips
      • against bread beetles
      • against flies
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      • against pantry moths
      • against mosquitoes
      • against fungus gnats
      • against wasps
      • against ants
      • against bed bugs
      • against bread beetles
      • against cockroaches
      • against common beetles
      • against woodlice
      • against grain weevils
      • against pantry moths
      • against paperfish
      • against carpet beetles
      • against carpet beetles
      • against spiders
      • against silverfish
      • against carpet beetles
      • against vermin / insects
      • against the woolly beetle
      • Attractant replacement films
      • against ants
      • against bed bugs
      • against bread beetles
      • against cockroaches
      • against common beetles
      • against woodlice
      • against grain weevils
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      • against carpet beetles
      • against carpet beetles
      • against silverfish
      • against carpet beetles
      • against vermin / insects
      • against the woolly beetle
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Skadedyrsordbog – Green Guardia

Hvidflue: Identifikation, årsager og naturlige midler

Bomuldsmellus – ofte blot kaldet "mellus" – er et udbredt skadedyr for prydplanter, grøntsager og drivhusafgrøder. Denne artikel giver et kort overblik over, hvordan man identificerer den, hvilke planter der er særligt berørt, og hvordan man skånsomt bekæmper dens angreb.

ⓘ Hvid flue · Trialeurodes vaporariorum # Identifikation af hvide fluer · Hvide flueplanter · Bekæmpelse af hvide fluer

Hvad er bomuldsskælinsektet?

Bomuldsmellusen er et lille insekt med hvidt støv, der foretrækker at leve på Undersiden af bladene Den stopper. Den suger plantesaft til sig og svækker dermed grøntsager, prydplanter og stueplanter.

Hvidflue Identifikation af hvide fluer Plantesaftsugende skadedyr

Typiske symptomer

Planter angrebet af bomuldsmellus viser ofte:

  • Hvide, små fluer på blade (sværmer ved berøring)
  • Klæbrige belægninger (honningdug) på blade
  • Gule, svækkede eller krøllede blade
  • Mørk belægning forårsaget af sodskimmelsvampe på honningdug
  • Dårlig vækst og reduceret udbytte i grøntsagsplanter
Green Guardia-tip: Tjek regelmæssigt Undersiden af bladene – det er der, æggene, larverne og de voksne hvidfluer gemmer sig.

Årsager og livsstil

Bomuldsmellusen foretrækker varme, beskyttede steder – Drivhus, vinterhave, altan og stueplanter er ideelle steder.

  • Den suger saft fra planter og svækker dem permanent.
  • Flere generationer om året, hurtig reproduktion
  • Høj luftfugtighed og tæt vegetation fremmer masseangreb.

Særligt truede planter

Hvidfluen angriber adskillige plantearter, men foretrækker:

  • Tomater, peberfrugter, agurker, zucchini
  • Krydderurter som basilikum
  • Prydplanter såsom fuchsiaer, hibiscus og geranier
  • Stueplanter såsom fredsliljer, julestjerner og bregner

Forebyggelse mod hvide fluer

1. Forbedr luftcirkulationen

  • Placer ikke planter for tæt sammen.
  • Luft regelmæssigt ud, selv om vinteren.

2. Styrk planten

  • Sunde, stærke planter er mindre modtagelige
  • Undgå vandmætning, foretræk et konstant fugtighedsniveau.

3. Tjek planterne regelmæssigt

  • Tjek undersiden af bladene – det er der, æg og larver befinder sig.
  • Tidlig opdagelse muliggør skånsomme interventioner

Skånsomme foranstaltninger i haven og på stueplanter

Følgende skånsomme trin kan hjælpe i tilfælde af en angreb:

  • Klistrede gule klæbefælder til overvågning af voksne dyr
  • Skyl bladene med vand. & fjern klæbrig honningdug
  • Tør undersiden af bladene af med mildt plantesæbevand.
  • Fjern berørte blade, men sparsomt

Indendørs og i drivhuse er de ofte Nyttige insekter såsom Encarsia parasitiske hvepse Brugt – de hjælper med at reducere bestanden af hvidfluer naturligt (uden reklame for biocider).

Ofte stillede spørgsmål om bomuldsmellusen

Hvorfor har jeg pludselig så mange hvide fluer på mine planter?

Høje temperaturer, dårlig luftcirkulation og tæt vegetation fremmer den hurtige reproduktion af hvide fluer. Beskyttede, varme områder som drivhuse er særligt påvirket.

Skader hvidfluen mine planter alvorligt?

Ja, det svækker planter, forårsager gulning, honningdug og kan fremme svampevækst. Alvorlige angreb kan føre til udbyttetab.

Hvad hjælper hurtigt mod hvide fluer?

Brug gule klæbefælder tidligt, vask blade, forbedrer luftcirkulationen og fjern de berørte områder. For stueplanter kan hyppigere rengøring af undersiden af bladene gøre en stor forskel.

Forekommer hvidfluen også udendørs?

Ja, men primært på beskyttede, varme steder. Den er mest udbredt i drivhuse og på altaner og stueplanter.

Hurtigt overblik

  • Skadedyr: Bomuldsmøl-mellus
  • Også kaldet: Hvidflue
  • Angrebssteder: Stueplanter, altan, grøntsager, drivhus
  • Skadesmønster: Suger på blade, honningdug, gulfarvning
✓ Skånsom og naturlig mod hvidfluer

Typiske problemer

  • Hvide fluer, når de rører planten
  • Klistrede blade på grund af honningdug
  • Gule, slappe eller krøllede blade
  • Angreb i drivhus og på tomatplanter

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