1-)Aphids
Aphids are a small, stalk-absorbing group of bug species among the most destructive pests of crops.The size of aphids may range from about 0.04 to 0.4 inches and may be in green, black, red or white variants. The most common aphid in the home gardens is green and about one millimeter in length. Also there are two whip-like antennas at the top of the head.
There are more than 4,000 types of aphids distributed throughout the world. Some aphid species can develop wings.
We have two posts about aphids.You can read them.
2-)Fungus Gnat
They are usually found in humid environments. They are commonly found in plant pots in houses. It is estimated that there are more than tens of thousands of species waiting to be discovered.These flies are black and have dark wings. They usually have a length of 0.04 to 0.3 inches. It has also long legs and has 8 or 16 section antennas. Additionally there are a small worm-like white larvae.
For more detail about fungus gnats
Fungus Gnats – What is a fungus gnat?
3-)Leafminer
Thirdly bug is leafminer for house plant bugs identification with pictures. Adults; small, grayish-black, full-bodied, 0.05 to 0.1inc long. The abdomen is yellow in color and the legs are black in color, with a clearly visible yellow back point. The male is relatively small. Larva is the first period colorless and pale orange yellowness before opening.