£ 34.99
Dragonfli Whitefly Killer Encarsia formosa Parasitic Wasp Cards Natural Biological Control (25 Cards)
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Description
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Effective and natural control of Whiteflies Whitefly Killer Cards are supplied with tiny parasitised Whitefly pupae attached within them. We offer boxes containing cardboard strips of 5, 10, 25, 50 or 250 cards each. 10 strips will hatch 3,000 parasitic wasps and 50 strips will hatch 15,000 parasitic wasps (as an indication of encarsia numbers) Introduce Whitefly Killer before Whitefly are in high numbers for best results The Encarsia formosa are more effective if introduced in a controlled environment such as a greenhouse or glasshouse Encarsia are one of the oldest forms of biological control and has been used for many years, especially by tomato growers. It has a huge advantage over traditional chemical pesticide controls in that the Whitefly are unable to become resistant to attack by the wasps
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Description
(1)
Effective and natural control of Whiteflies Whitefly Killer Cards are supplied with tiny parasitised Whitefly pupae attached within them. We offer boxes containing cardboard strips of 5, 10, 25, 50 or 250 cards each. 10 strips will hatch 3,000 parasitic wasps and 50 strips will hatch 15,000 parasitic wasps (as an indication of encarsia numbers) Introduce Whitefly Killer before Whitefly are in high numbers for best results The Encarsia formosa are more effective if introduced in a controlled environment such as a greenhouse or glasshouse Encarsia are one of the oldest forms of biological control and has been used for many years, especially by tomato growers. It has a huge advantage over traditional chemical pesticide controls in that the Whitefly are unable to become resistant to attack by the wasps
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