%0 Journal Article %T The Nutritional Importance of Pure and Mixed Cultures of Yeasts in the Development of Drosophila mulleri Larvae in Opuntia Tissues and its Relationship to Host Plant Shifts %A Starmer, William T. %A Aberdeen, Virginia %A , %J Ecological and Evolutionary Genetics of Drosophila %P 145-160 %D 1990-01-01 %I Springer US %~ DeepDyve