Linden gall mite (Phytoptus tillae)
Pest description and crop damage A very tiny mite that causes red to greenish galls on leaves. Damage is seldom serious.
Management-chemical control
No controls are registered.
For more information
Johnson, W.T. and H.H. Lyon (1991), Insects That Feed on Trees and Shrubs, 2nd ed., Cornell University Press (p. 482-488).