If you don't want to buy an insecticide for just a couple of plants, you can first try just wiping down the plants - both tops and bottoms of the leaves - with a wet paper towel. Soon the entire leaf turns yellow and falls. Spray the infested plants with the mixture once every three to four days to get rid of black spots. Males are small flying insects, while larvae are tiny, soft, crawling insects. Black Sooty Mold Those spots will appear white/yellow and kind of dry patches. This will remove/kill most if not all the aphids, and also most of the black spots. You may have to rub the spots a little bit to get them off. A few days ago we thought they may be things dropping off the leaves of a plant which was in the window, so we removed the plant. In addition, honeydew is deposited on leaves and fruit. Treating Black Leaf Spot Fungus Getting rid of black leaf spot must be a two-pronged attack. Although gnats do not feed on plant leaves, they multiply and get into the soil and harm the plant's … So far we've only noticed the dots on the yellow squash, zucchini, and cauliflower, but they're also on all of the pots. The leaves had some of them on too. However having cleaned the ledge more have reappeared since yesterday evening - although much less than we cleaned off, *and this afternoon was the first time I checked the back of the blind. Scale insects suck plant sap, weakening plants and causing foliage to turn yellow and drop off. they are aphids. There are these little black things on my cucumber plants that have started appearing recently. You’re most likely to notice adult female scale insects, which look like bumps on plant stems, leaves or fruit. They don't seem to be eating away the leaves or anything like that at the moment but they don't look benign. Here are the common reasons behind the tiny black spots on pepper leaves and some tips to solve it: 1. It starts with tiny black spots on leaves, no bigger than a pinhead. There are numerous reasons why it happens and in various ways you can remedy it. Placing plants in your home increases oxygen, adds a decorative touch and contributes to stress reduction. As the fungus develops, those black spots on leaves are ringed with yellow. Reasons Behind Tiny Black Spots on Pepper Leaves. However when you find tiny black bugs -- called gnats or fruit flies -- on your plants, you must get rid of them. They are more concentrated towards the 'top' of the plant. We've been noticing little black dots on the pots we planted them in, and on the plants themselves. Indeed, if the black spots are the feces, then the leaf miners have eaten your leaf in some spots. Similar to apple cider vinegar, the milk changes the acidity of the surface of the leaves, making it harder for black spots and fungus to take hold and live on the plant. Do you see black spots or dark discolorations around your pepper plant leaves? The plant leaves also have a bunch of holes in them, and we're not sure if that's normal or not. If you find them in combination with the black spots, then you can be sure that your basil is invaded by leaf miners.