Small white bugs in soil
We have a potted avocado tree which has an infestation in the soil of some sort of small, white bug. They are less than 1mm in size (very small) and appear white against the soil. They crawl quite fast and can be seen when you look closely crawling all over the surface of the soil. Our avocado (which is only a small sapling) has leaves which are starting to go brown and curl/shrivel, and some leaves which have grown (been eaten?) into an unusual shape. Can anyone help identify these bugs and tell us how to get rid of them?