Fungus gnats are tiny flying bugs belonging to a few insect families (namely Sciaridae, aka dark-winged fungus gnats). They eat plant matter, mulch, compost, and—true to their name—fungus.
Then you notice the spots on the other side of the fruit. It could be bugs, but your tree may also be sick. In this article, we’ll show you how to identify peach tree diseases and how to treat them.