(Homoptera: Aphididae)
Issue No. 141
H. A. Denmark
February, 1974
Introduction
The cotton aphid, Aphis gossypii Glover, and the spirea aphid, Aphis spiraecola Patch, are commonly found on shasta daisy, Chrysanthemum maximum Ramond, in Florida (fig. 1). Aphids appear just before or about the time flower buds are forming (r1~. 2).