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How do I control spreading bald spots in my yard?
I have spreading bald spots in my yard (Western PA.) It started as 2 spots that I noticed and thought might have been caused by my two small dogs in the early spring. However, the spots are expanding and trails can be found linking them - there's now about 7 spots between 5 and 10 inches in diameter. The links between them aren't obvious until you run your finger between them, the trails are 1-2 inches wide and between 6 and 12 inches long. There are a number of holes from some pest with small mounds at some of them. I have found small yellow-red ants and earwigs in and around the spots. Digging up the spots I have found small (tiny) white (aphids?) bugs and very thin (hairlike) white worms. I'm not sure if the ants are nesting or not but they do nest a short distance away under foot long landscaping rocks. I know most of the spots are not from my dogs, but they could have caused a fungal infection? Are the pests (ants, earwigs, worms) doing damage and should I just replant?
My yard gets little sun, a few hours a day... and because of the local surroundings it is perpetually damp. I have yet to mow the grass and have dry clippings - but the problem has only begun this year.
I do have at least one mole which I have seen, but she tends to go in my neighbor's garden from what I can tell. There are no molehills in my yard and the trails are trails of bald spots which some grass still covers from either side. The holes are 1/4" and 1/16" wide and I'm positive there are insects and worms but I'm not sure whether they are doing the damage or just noticeable because of the damage. I have dug up some of the area and unless the mole tunnels are more than a shovel length down that isn't the problem - but I will look into it.
I am now fairly certain the problem is an unidentified aphid farming ant colony. I think they are yellow meadow ants (Lasius flavus) because I recently overturned a rock and found them more concerned with moving aphids underground than anything else. Pulling up a thick grass stalk revealed 1/2" think aphid ring around the base just below dirt level.
1 Antwort
- vor 1 JahrzehntBeste Antwort
Could be grubs. They leave dead, bald spots in the yard. Moles eat grubs and could be the reason you have trails if they are under the ground. Just a thought.
