Biological Pest Control

Onion Fly Nematodes

Beneficial nematodes for biological control of onion fly larvae

Onion Fly Nematodes
£19.99
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Live biological control – supplied fresh
Chemical-free – leaves no residues
Discreet, effective & naturally sustainable
Safe for children and pets
Area covered 50 m²
Live biological product – use a standard delivery address. Do not use parcel lockers.
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Target pest
Onion fly larvae
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Where to use
Onion beds, Vegetable beds, Garden soil
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When to use
May onwards · soil above 13°C
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Application
Water-applied soil treatment
Description +

Onion Fly Nematodes provide targeted biological control of onion fly larvae in the soil around onions, leeks, garlic and other alliums. The beneficial nematodes are mixed with water and applied to moist soil, where they seek out susceptible larvae. Apply from May onwards when larvae are present and soil temperatures are above 13°C.

 

How to Use +
Pre-water the treatment area. Mix the nematodes with water according to the pack instructions and apply evenly around affected plants. Keep the soil moist after application and avoid bright sunlight or frosty conditions.
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Target Pests +
Onion fly larvae
Storage & Delivery +
Use as soon as possible after delivery. Unopened packs can be kept refrigerated until required. Use before the expiry date shown on the pack.
Delivery: Live biological product – use a standard delivery address. Do not use parcel lockers.
Onion Fly Nematodes £19.99

Why choose this product?

A quick look at the key strengths of this biological pest control.

Biological approach

Conventional approach Biological control

Treatment focus

Broad treatment Highly targeted

Ease of application

More involved Very simple
Pest-damaged plants compared with healthy thriving plants

MILBIES vs. Guesswork

Everything you need to choose, use and reorder with confidence.

THE MILBIES WAY
A simpler way to protect your plants
Find the right solution faster Use our Pest Finder to quickly narrow down the treatment that matches your pest.
Clear How to Use guidance Straightforward application guidance helps you get from delivery to treatment with confidence.
Flexible pack sizes Choose a pack size that better matches your plants, space and treatment needs.
Optional subscriptions Make repeat treatments easier with scheduled deliveries when a subscription suits your needs.
Better-value bundles Save when a bundle makes sense instead of buying suitable treatments separately.
THE HARD WAY
When pest control gets complicated
Searching product by product Finding the right treatment can quickly turn into guesswork.
Confusing application instructions Too much technical information can make a simple treatment feel complicated.
One size does not fit every job Buying too much or too little makes treatment less convenient.
Remembering every reorder Repeat treatments are easier to miss when every order has to be placed manually.
Paying for everything separately Multiple treatments can cost more when they are purchased one at a time.
UK Bred

UK Bred

Beneficial organisms bred in the UK for dependable quality and freshness.
Fast & Targeted

Fast & Targeted

Biological controls selected for specific pests, with clear guidance on how to use them.
Naturally Effective

Naturally Effective

Beneficial insects and nematodes offer a biological approach to pest control.
Expert Guidance

Expert Guidance

Straightforward advice to help you choose and apply the right solution.
Natural pest control for home, plants and garden.
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