In this Home & Garden video tutorial you will learn how to identify pest on the oleander, rosemary, & ivy plants. John White presents this video along with Virginia Owens. Spittle bug on rosemary can be removed with a strong blast of water. You can also add a little bit of soap to it. You also have to be persistent with this. Scale is a kind of insect that forms carnication on Spanish Broom. This can be treated with dormant oil in the summer. Ivy gets burnt when exposed to hot sun. So, you got to plant them in protected area. Aphids on Oleanders will not kill the plant but, they can prevent them from blooming. On the other hand lacewings also lay eggs on Oleanders and they feed on the aphids and are beneficial to the plant.