| molecular and morphological differentiation between aphis gossypii glover (hemiptera, aphididae) and related species, with particular reference to the north american midwest. | the cotton aphid, aphis gossypii, is one of the most biologically diverse species of aphids; a polyphagous species in a family where most are host specialists. it is economically important and belongs to a group of closely related species that has challenged aphid taxonomy. the research presented here seeks to clarify the taxonomic relationships and status of species within the aphid gossypii group in the north american midwest. sequences of the mitochondrial cytochrome oxidase 1 (coi), nuclear ... | 2014 | 25561853 |