Yates Success Ultra Insect Control - Concentrate
Helps control common caterpillars, thrips, codling moth and tomato potato psyllid. Contains spinetoram derived from beneficial soil bacteria.
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Lepidoptera
Pieris rapae
What are Cabbage White Butterflies?
There are many types of caterpillar pests that attack vegetables, but the most notorious has to be the Cabbage White Butterfly (Pieris rapae).
Cabbage white butterfly has white wings, with distinctive dusty black spots and is around 40mm across. The adult butterflies lay their eggs on the underside of leaves. The larvae (caterpillars) hatch out and begin to chew on the leaves, so it’s the caterpillar stage that does the damage.
The blue-green velvety textured caterpillars are very small and hard to spot at first. Eventually they reach about 30mm in length; at that size they're capable of completely skeletonising the leaves of vegetables. They begin by chewing holes into the outer leaves, before burrowing into the inner heart of the plant and devouring the developing baby leaves.
It's best to pick off the smaller caterpillars by hand or spray them when they're still on the outside of the leaf, before they tunnel into the inner heart and ruin the vegetable. When caterpillars conceal themselves in the interior of a plant (think cabbage or cauliflower) it prevents contact insecticides from reaching them.
Installing insect netting as a physical barrier can be very effective.
Symptoms
Large holes in the outer leaves, with leaves becoming quite tattered. Bluey-green 'frass' on the inside of the leaf or in the heart of the cabbage is actually their droppings.
Plants impacted
- Cabbage
- Broccoli
- Brussels sprouts
- Cauliflower
- Radish
- Beetroot
- Turnips
- Mustard
- Nasturtiums
Yates Mavrik Insect & Mite Spray - Concentrate
Controls a broad range of insect and mite pests, yet will not interfere with honey bees once the spray has dried.
Yates Nature's Way Organic Citrus, Vegie & Ornamental Spray
Unique organically certified pyrethrum and plant-based oil combination insecticide, with twin modes of action against garden pests.
Yates Nature's Way Derris Dust
Controls most chewing and sucking insect pests, including caterpillars. It is particularly effective against white butterfly caterpillars.
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