European red mites (ERM), Panonychus ulmi, feed on leaves of apple trees and thereby interfere with photosynthesis and production of carbohydrates. At high levels, ERM damage to apple leaves reduces fruit yield and quality. ...

Although the number of wood-boring beetles attacking fruit trees is relatively small and their infestations are sporadic, four species found in New York are capable of seriously damaging or killing trees. They differ some ...