Evidence of superclones in Australian cotton aphid Aphis gossypii Glover (Aphididae: Hemiptera).

Background: Aphis gossypii is an important pest of cotton that has developed resistance to many chemicals used for its control. Any lack of understanding of its genetic structure, resistance status and host plant specialisation hampers effective management.

Rsults: Eight microsatellite markers were genotyped for a collection of Australian A.