2005 Annual Report 4d.Progress report. This report serves to document research conducted under a trust agreement between ARS and Suterra LLC. Additional details of research can be found in the report for the parent CRIS 5352-22000-017-00D Management of Insect Pests of Temperate Tree Fruit Crops. The use of ultra low volume applications of a microencapsulated sex pheromone was field tested in apple and pear orchards in 2004 and again this season. Testing is in commercial orchards, to obtain data on coverage and efficacy. This technique is used on 3,000 acres of apples and pear during 2005.