Agralan Aphid Control - Lacewing Larvae
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Aphids are a common garden pest, clustering on new growth and feeding on plant sap. This weakens plants, distorts leaves and buds, and can lead to poor flowering or reduced crop yields. They also produce sticky honeydew, which encourages black sooty mould and attracts ants, making the problem even worse if left untreated.
Lacewing larvae are a highly effective, natural predator of aphids and a great choice for wildlife-friendly gardening. Often called 'aphid lions', these voracious larvae actively hunt and feed on aphids, quickly reducing infestations. In addition to aphids, they will also tackle other small pests such as thrips, red spider mite and mealybugs, making them a versatile biological control for both indoor and outdoor plants.
Introduce lacewing larvae as soon as aphids are first spotted for best results. They can be used on plants indoors, in greenhouses or outdoors in the garden. Distribute the larvae carefully onto affected plants, ideally in the early morning or evening. For ongoing protection, make regular introductions between April and August while pest activity is high. May also be used for mealybug control, ensure temperatures remain above 15°C to support effective feeding and development.
Yes, when used as directed, nematodes target specific pests in soil, unlike metaldehyde options like certain slug pellets, and are widely used in organic-style pest management. Apply nematodes to moist soil and water well. Read our blog on Nematodes for Slugs to learn exactly how they work.
Start early, as soon as you spot a pest problem or expect eggs to hatch. Biological control works best when you act before numbers explode.
Often not at the same time as many pesticides can harm beneficial organisms. If you’ve sprayed recently, check product guidance and allow a safe gap before introducing predators or nematodes. Be sure to check the current guidance on certain pesticides as outdoor use of metaldehydes are banned in the UK.
Pests usually target soft, tender new growth first like seedlings, fresh shoots, and flower buds, especially on plants like brassicas, hostas, and roses. Stressed plants (too dry, overcrowded, or underfed) are often hit even faster.
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