Insects (Concentrates)

Yates Conqueror Spraying Oil

An intermediate spraying oil for control of scale, mites and mealy bug on fruit trees, grapes and ornamentals.


  • Controls San Jose scale and other scales, mealy bug, European red mite, two spotted mite.
  • For use on pipfruit, stonefruit, grapes, roses, ornamentals and indoor plants.
  • Beneficial insects such as honey bees are unaffected.
  • An excellent leaf polish for smooth leaved indoor plants.
  • Easy to use measure bottle.

How It Works

It works by contact action, coating pests and their eggs with a suffocating film. Because control is by physical means, pests are unable to develop resistance.


970 ml/litre mineral oil in the form of an emulsifiable concentrate.

Directions for use

Apples, pears and stone fruit European red mite, San Jose scale and aphids 15-20mL per litre of water. For scale control, apply during dormant period up until green tip.
Citrus Scale insects, aphids, citrus red mite and thrips 10mL per litre of water.
Roses and ornamental plants European red mite, mealybug, scale insects and aphids
Indoor Plants Leaf polish 5mL per 200mL (1 cup) of water. Apply with a soft cloth.


DO NOT use within 14 days of sulphur sprays. DO NOT mix with sulphur sprays, Lime Sulphur, Captan, Bravo or carbaryl. Safe to use with most other sprays.

Withhollding Period


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Material Safety Data Sheet

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