What Are The Tiny Black Bugs On My Cucumber Plants?

What Are The Tiny Black Bugs On My Cucumber Plants? Identification. Aphids are tiny insects with long, slender mouth parts used to pierce stems and leaves of plants to suck out the plant’s fluids. Aphids range in size from 1/16 to 1/8 inch long. These insects can be almost any color, including green, black, brown,