Here are some photos of regularly encountered pests and diseases in South Australian Olive Groves

Black Scale	Female Black Scale with Eggs
Lace Bug	Lace Bug with Nymphal Instars
Lace Bug Damage	Peacock Spot
Peacock Spot	Anthracnose (on Barnea)

Thanks to Dr Vera Sergeeva, from the University of Western Sydney, for the supply of these photos.

Many of these photos can also be seen in the authoritative booklet "Field Guide to Olive Pests, Diseases and Disorders in Australia", published in 2007.  The Field Guide is a "must have" for growers. Copies can be purchased from the RIRDC website at 

http://www.rirdc.gov.au

The field guide is part of a communications initiative by the Rural Industries Research and Development Corporation (RIRDC), the University of Western Sydney, the NSW Department of Primary Industries, the South Australian Research and Development Institute (SARDI) and others to ensure that research can be passed on in a useful form to growers.