Yates Lawn Grub & Porina Kill + Protect
Powered by Acelepryn® technology to eliminate a wide range of soil-dwelling lawn pests and provide up to 6 months protection.
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Coleoptera
Costelytra giveni
(formerly known as Costelytra zealandica)
What are Grass Grubs
Grass Grubs are the larval stage of the native Bronze (or Brown) Beetle which chew at the roots of plants and lawns. Grass grub larvae have a cream body with a light brown head and they vary in size from 6mm to 20 mm as they grow. The tail end of the grub may look darker brown, which is due to the soil the grub has ingested during feeding. The grubs feed on plant roots in large numbers and curl up when disturbed.
During late spring and summer, adult beetles fly in swarms at twilight, feeding and laying eggs. The beetles are notorious for chewing holes in the leaves of fruit trees and vegetables, along with scarring fruit.
Grass grub larvae also hatch during summer, and start grazing on roots immediately. Larvae are most active from autumn into winter, and can cause severe damage to lawns, gardens and potted plants during the cold season.
Grass grubs are among the most destructive pasture pests in NZ and are a real challenge for the agricultural sector.
Symptoms
Wilting plants despite being well watered and brown patches in lawn, which in severe cases can be easily lifted up, like a carpet.
How to protect your lawn against Grass Grubs
Yates® Lawn Grub and Porina Kill + Protect delivers excellent preventative control against grass grub larvae. For best results, apply the granules from January to March. The long residual performance of Yates® Lawn Grub and Porina Kill + Protect provides up to 6 months protection.
Keeping your lawn strong and healthy really helps it to resist pest pressure. Give your lawn a weekly deep watering, mowing at a higher level and feeding it regularly with Yates Dynamic Lifter Organic Lawn Food.
Yates Dynamic Lifter Organic Lawn Food
100% natural lawn food for a lush, healthy lawn. Contains composted chicken manure, blood & bone, fish meal and seaweed.
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If your lawn is browning or your plants are suddenly dying, it may be the work of the black beetle or its larvae (grass grubs). Here's how to identify and control black beetles in the lawn and garden.
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If your newly planted seedlings are missing or cut to the ground, it sounds like you may have cutworms in your garden. Here's how to identify and control them.
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Porina caterpillars chew off lawn grass at ground level, causing it to brown and die. Here's how to protect your lawn.
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