Tasmanian Grass Grub
This species is often confused with Black Beetle as both the adults and the grubs look similar.
Problem Overview
Tasmanian Grass Grub (Acrossidius tasmaniae). This species is often confused with Black Beetle as both the adults and the grubs look similar. However, the grubs which unlike Black Beetle live in small burrows near the surface and emerge to eat foliage near the tunnel entrance. They create damage from the period May through until November, with the adults emerging in December and January.
Solutions
Survey the lawn by take spade width squares in a variety of area preferably before damage is noticeable. This is best to occur during the period November to December. Tip the sod upside down and inspect the soil. If two or more grubs are found then apply Acelypron at label rates.
An Approved Handlers certificate is required to purchase and apply this product therefore contact the Finelawn office. Apply 25mm of water within 7 days of application
Other Similar Lawn Problems
Black (African) Beetle
The Black Beetle(Heteronuchus arator) is generally found in the top half of the north island though it has been reported as far south as Wellington.
Porina
Porina (Wiseana spp.) comprises several species of native moth whose caterpillars are common pest of turf.
Black Cricket
These are also known as Black Field Crickets or simply field crickets.
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