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.
Infection can be seen on leaves, petioles, shoots and grapes. For black rot, grapes are susceptible from bloom until they begin to ripen. An infected berry first appears light brown, and then black spore-producing bodies develop on its surface. Later, the berries shrivel and turn hard and black to become mummified.