Commercial biopesticides based on entomopathogenic fungi are expected to be registered for use as microbial biological control of aphids in Australia in the near future.

Correct identification of the species of aphid present is a critical step in determining a management strategy.

Cotton aphid and two-spotted mite have the potential to cause dramatic reductions in the yield and fibre quality of cotton. Management of these pests is strongly dependent on insecticides and acaricides.

To help understand the underlying basis of the resistance to pirimicarb, and hence improve the chance of effective management, Dr Robin Gunning and Dr Graham Moores (Rothamstead, UK) did a preliminary screen on resist

Cotton aphid (Aphis gossipy) and green peach aphid (Myzus persicae) are prominent pests in many of Australia's cotton regions The importance of aphid has increased in recent times due to their association with co