Oleander evergreen shrubs are used in residential and commercial landscape design. These shrubs thrive in full sun and moist, well-drained soil. Oleander produce colorful flowers that are toxic if ingested. While these plants are generally healthy, they are susceptible to insect attack.
Scale insects are common pests oleander. These insects feed by sucking plant sap with their mouthparts. Scale insects lay their eggs on host plants, which then hatch in 1-3 weeks. Newly hatched larvae move to the host plant until it is a place to find join. Once connected, scale insects to feed in the same place for life. There are several species of scale insects found on Oleander, including armored scales and soft scales. Aphids are harmful pests. These insects are very small with a soft, pear-shaped body. Aphids are often colored in shades of pink, yellow, green or red, and they are brown or black. Some species carry harmful viruses transmitted to host plants. Spider mites are very small pests. They are not insects, but members of the spider family. These pests have eight legs, no antennae and a single, oval body. Spider mites are often difficult to detect because they are so small. Many gardeners first notice the fine silk straps that they. On host plants, which is a sign of heavy infestation
Scale insects and aphids both feed on sap. Feeding injuries include stippling of the leaves or yellow lesions on the leaves. Both scale insects and aphids excrete honeydew as a substance that is known leaves a sticky coating on the leaf and flower surfaces. Sooty molds often adhere honeydew. Honeydew also attracts ants and other insects. Oleander with sooty mold have a black, crispy mushroom coating the plant, making it an unattractive appearance. Spider mites feeding also causes oleander leaves dotted around and have blackened or scorched leaves. Infested leaves fall prematurely. Heavy spider mite infestation can kill oleander.
A brisk stream of water reduced scales, aphids and spider mites. This process, known as spraying, knocking off host plants, insects and mites. Repeat this process twice a week for more pest control. Natural predatory insects feed on scales, spider mites and aphids. Parasitic wasps, lacewings and ladybugs are to eliminate the natural enemies of these harmful pests.
Spray your oleander with horticultural oils or insecticidal soaps eliminated sucking pests such as scales, spider mites and aphids. These products are used as a contact insecticide, which means they have to completely cover known to kill insects. Horticultural oils to remove sooty mold fungi from plants. Miticide may be necessary to spider mites. These products are to be used at 10 to 14-day intervals for control of mites.