The bulb mite is a yellowish-white, bead-like, shining, slow moving mite. Infested bulbs deteriorate rapidly. The leaves of infested bulbs are yellow and the flowers blast. The outer crust of bulb scales becomes hardened and light chocolate brown. Discard badly infested bulbs and avoid infested soil. Dip the bulbs 122 degree water for a few minutes, if no roots have begun to form. No chemical control is listed.
The tulip bulb aphid damages stored bulbs and feeds on the leaves and other above ground parts in the spring. No chemical control is listed.