small, often wingless insects that suck sap
Problem in almost all crops. Pierce leaves and suck out plants' juices.
Insects that look like black, yellow, green or white grains of rice. Aphids suck the juices of new growth on plants.
are oval-shaped and range in size from 1/16" to 1/8". They can be green, black, yellow, red, or brown, and some have wings. They move slowly, but reproduce fast. A new generation takes only 7 days to appear. They are found on the undersides of leaves, on stems, and crowded onto the tips of growing shoots. Their main food is the sap they suck in large amounts from the veins of the plant. The following sprays are effective in their control: water jet spray, citrus spray, alcohol spray, insecticidal soap spray, and liquid rotenone/pyrethrins spray. Apply every few days for about 2 weeks.
Tiny, oval insects that are found in clusters on the young shoots, buds and leaves of a plant. One of the most prevalent of garden insects. They usually congregate on the undersides of plants' foliage and suck the nourishment from the stems and leaves.
Also called Greenflies or Plant Lice. Insects known to feed on African Violets. Aphids measure 1/16 to 1/8 inch in length and come in various colors, including black, brown, green, red and pink. They have pear-shaped bodies with long antennae and legs. Aphids tend to cluster on the underside of leaves, where they feed on the juices of African Violets. If left untreated, Aphids can cause a lot of damage, eventually leading to an African Violet's demise. They also secrete honeydew which may host Sooty Mold. The damaged caused by Aphids is compounded by the fact that many of them carry viruses. More information.
Small sap sucking insects which infest cereals and carry a virus disease Barley Yellow Dwarf Virus - BYVD.
Small sap sucking insects. They infect foliage and are easily recognized by the sugary "honey dew" that they secrete that often attracts ants. Can be controlled by application of soapy solution.