Amblyseius swirskii – Biological Control for Thrips & Whiteflies main product photo on white background.

Amblyseius swirskii – Biological Control for Thrips & Whiteflies on white background.

Amblyseius swirskii – Predatory Mite Sachets for Thrips & Whiteflies

A set of five slow-release sachets containing Amblyseius swirskii predatory mites for early thrips and whitefly infestations. The mites emerge gradually over several weeks, making them useful across a small houseplant collection.

Read full guide to Amblyseius swirskii – Predatory Mite Sachets for Thrips & Whiteflies

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Amblyseius swirskii

Amblyseius swirskii is a predatory mite for early infestations of thrips and whiteflies on foliage. It feeds mainly on young thrips larvae and early whitefly stages, including eggs. The sachets release mites over several weeks, so they are better for early control than for quickly clearing a heavy infestation.

How the sachets work

Each sachet starts with approximately 250 predatory mites.
Mites emerge gradually over around four to six weeks.
They can feed on pollen for a time when prey numbers are low.

Placement and conditions

Hang the sachets close to affected foliage. Leave them closed and protect them from direct sun and strong drafts.
As a starting guide, use roughly one sachet per plant or 1 m², adjusted for plant size and infestation.
Warm conditions around 20–32 °C suit the mites; very dry air reduces their effectiveness.

Monitoring and spray compatibility

Check for living thrips or whiteflies and fresh damage over the following weeks. A repeat introduction may be needed after about four weeks. Oils, soaps, sulphur and some pesticide residues can harm the mites, so check compatibility and any required waiting period before use. If you have a house-dust-mite or shellfish allergy, wear gloves when handling the sachets.