These medical condition or symptom topics may be relevant to medical information for Neck tightness: 1  Neck. 2  Neck symptoms (833 causes) 3  Neck disease.  Neck disorder.
Predators such as lady beetles (Cryp-. tolaemus sp.) and lacewings attack each. of these species, and up to five species. of parasitoids are known to attack the. grape and longtailed mealybugs.
The control of spider mites, which damage tree leaves, reduce fruit quality and cost growers millions of dollars in the use of pesticide and oil spraying, is being biologically controlled in Pennsylvania apple orchards with two tiny insects known to be natural predators. Share: