Contact your licensed landscaper to arrange for applications during the summer months. The imago, or adult beetle, stage is quite short, lasting 1–2 weeks. Female beetles burrow into the soil during the summer. Chafers complete their life cycle in one year which can lead to rapid population increases. So, in addition to root damage, homeowners also have to worry about destruction caused by larger creatures. We hope you enjoy the article and download the infographic (at the bottom). The chafer’s life cycle is one year. Knowing the beetle’s life cycle can help you defend your lawn against an infestation. We are extremely concerned about the Covid 19. Maintaining a healthy lawn: Adopt a vigorous maintenance routine involving aerating, dethatching, fertilizing, deep watering, and high mowing. Your email address will not be published. The large grubs of the chafer feed on the roots of both wild and cultivated cool-latitude grasses, which has made them a critter-non-grata on North American lawns. Although treatment can help in early times in the season, July is the most optimal time to apply your treatment. Crows and other animals may tear lawns apart seeking chafer beetle larvae. The adult chafers emerge from the ground in late spring and mate in … The European chafer has a 1-year life cycle. Required fields are marked *. Knowing the life cycle of the Chafer Beetle helps illustrate is when the beetle is most susceptible to treatment which will help exterminate the pest. Generally, if more than 5-10 grubs are found in a 30 x 30 cm square control is warranted to prevent turf decline and damage. Why is it important to know about the life cycle of the Chafer beetle? The eggs hatch around mid-July, and the grubs grow and moult twice over 8 weeks. Right now we are in isolation in our home in AZ. In frost zones, the grubs feed until November and then move deeper into the soil. Intense feeding occurs from March through May. Lightly rake seeded area for good seed/soil contact. There are a few insecticides registered in Canada for management of European chafer. Feb 20, 2020 | Lawn Care, Pest Control | 2 comments. The grubs hatch by late July. P: 604-859-3134 In Harmony does not recommend you apply any systemic insecticides or other chemicals. Soon after, the females descend and deposit as many as fifty eggs each in the soil. Female chafer beetles lay between 20–40 eggs over their lifespan; the eggs are laid about 5–10 centimetres (2.0–3.9 in) deep in moist soil, and then take 2 weeks to hatch. By digging up several test sections in both affected and unaffected areas, you can monitor for grubs while they are near the surface. Repair damaged turf areas and maintain established lawns. You’ll normally see signs of a Chafer Grub infestation when the grubs are close to the surface, just underneath the turf. By June, the new beetles begin emerging from the ground. Eggs hatch around mid-July, and the grubs moult twice over 8 weeks. During the third week of July, complete these steps to treat the infestation: All insecticides sold in Canada are reviewed and approved by Health Canada for the use specified on the label. The European Chafer beetle is an introduced insect to British Columbia that has become a serious lawn pest in the Lower Mainland.