Granulovirus (Cyd-X) for codling moth
UC IPM tested the virus in backyard trees and found weekly sprays through egg hatch as effective as carbaryl, with no preharvest interval and no limit on the number of sprays. It has to be on the fruit as eggs hatch, because a larva that has bored in never touches it again. Use a pheromone trap to find biofix, or start checking fruit for stings three to four weeks after bloom. UC IPM says 1% horticultural oil in the tank improves it.
Before you order
An insect virus sprayed on fruit trees while codling moth eggs are hatching. A newly hatched larva that eats it on the way into a fruit dies within 3–7 days. It is specific to codling moth (Madex HP is also labelled for oriental fruit moth), so bees and other beneficial insects are unharmed. How it works, how to tell it has established and the supplier list are on the full Betabaculovirus cypomonellae (Cydia pomonella granulovirus) profile.
Other controls for codling moth
No other reviewed control is listed for this pest yet.