The Potato Tuber Moth as a Host for Mass Production of Macrocentrus ancylivorus1, 2, 3

Abstract
The equipment and procedure used in California for the year round large-scale rearing of Gnorimo-schcma operculella and its parasite M. ancylivorus is described. At 80[degree] F the period from host egg deposition to the emergence of the parasitic adult is 1 month.