Males spend their entire lives inside the brood gallery. Females mate inside the brood gallery and then leave to produce new galleries. Females can reproduce without mating, in which case the offspring are all males Eggs Eggs are laid in galleries in the twigs. Larvae Larvae are grubs, white and legless. There are two larval instars.
Males are about half as long and incapable of flight.
After emerging from the pupal stage they turn from light brown to reddish brown in 3 to 4 days. The exception is the adult female, which leaves the gallery by way of the parent s entrance hole and establishes a new gallery elsewhere. Good tree care to promote tree vigor and health will help in resisting infestation or recovering from infestation. Consult the University of Hawaii Cooperative Extension Service for up to date recommendations. Notes and Exhibitions.