On the weekend we discovered that we had an investation of beetle grubs eating the roots of our grass, leaving large dead patches. Turns out, there's an investation all over the west end of Peterborough. I talked to a neighbour of mine who works for the Ministry of Natural Resources who said that the problem is that parasitic nematodes used to keep the grubs in check, but our use of pestacides has all but wiped them out. Now that the city has banned the use of pesticides, the grubs are making a dramatic comeback, but the nematodes are not.

Apparently, the things burrow into the grubs, and feed and multiply until the grubs explode. Isn't the insect world wonderful. :D