They are similar in size to beneficial parasitic wasps. Sanitation Young shoots that are abnormally swollen at the base with long, pointed tips should be removed and destroyed by burning, crushing, immersion in oil, etc. It s important not to introduce infested plants into the nursery. Piercing Control has been achieved by piercing the larvae with a needle. Chemical Control Life stages in the tissues, including eggs, larvae, and pupae, are difficult to control by chemical means.
Adults are susceptible to contact insecticides.
Consult the University of Hawaii Cooperative Extension Service for effective, currently registered chemicals. Stem wasp pest of cattleya orchids. Ikeda, W. S. 1952. Nishida, G. M. ed. Hawaiian Terrestrial Arthropods.