Black Citrus Aphids


The cotton or melon aphid is the commonly found aphid on citrus. There are three species of citrus aphids and can be characterize by color the spirea aphids are always green whereas the cotton aphid can range in color from yellow, to green, to dull black. A colony of cotton aphids is usually composed of several different colors. Black citrus aphids are, as their name states, black. They feed on buds and on the underside of leaves, causing leaves to curl toward the stem. Spirea aphid, black aphid and cotton aphid can all transmit citrus tristeza virus to the plants.