If you find more than 5-10 grubs in a 30cm by 30cm section of grass, you likely have an infestation. This means that larvae may be found at any time of the year though there will be higher numbers in Spring and Autumn. Description: Identifying the species of chafer grub is quite difficult, but identifying the Adult Beetle is very easy. View further information on the Bayer products and download labels, MSDS and user guides for the Bayer products. This is the result of Chafer larvae causing damage by eating the roots of the grass. These animals will rip up or peck through it in order to get to the grubs underneath and then eat them. The most common sign of a minor problem with Chafer Grubs is brown patches of grass and when you look closer, this brown grass can be pulled up easily because the grubs have eaten the roots. June to August. Some species of Chafer grubs may feed below ground for 2-3 years before changing into adult If all else fails it’s possible to find the irritating creatures by digging down into the layers where they secrete themselves. Chafer Grubs are very easily recognised with white/cream bodies with a brown head and 6 brown legs and they are usually curled into a C shape in the soil under turf and at about 1-2 inches in length. Badgers, foxes and crows can pick turf apart to try and reach the grubs- causing very serious damage. When to see it. They will then pupate over Winter and hatch as adults in late Spring. The grubs will at present be getting nearer the surface, having dug themselves deeper in the spring to reproduce. Chafer Grubs are the larval stage of the Chafer Beetle of which there are several different types. A few chafer species can damage plant roots including some that feed on turf (see chafer grubs in … Unfortunately it can sometimes be difficult to identify the cause of your lawn’s damage, especially as Chafer grubs share many of the same destructive tendencies as Leatherjackets- different species grub, much larger but less popular with the local mammals (although crows and magpies love rooting for them). Meadows, hedges, woodland edge and gardens. Chafer Grubs are very easily recognised with white/cream bodies with a brown head and 6 brown legs and they are usually curled into a C shape in the soil under turf and at about 1-2 inches in length. Adults fly to nearby trees and shrubs where they mate on mass until dawn at which point the adults return to the soil. Lesser damage can require seeds to be sown over the affected areas. Nematodes need to be applied to moist soil in affected areas during August and early October when the soil temperatures are in excess of 12 o C (54 o F) and the grubs are active.