1. Food and Agriculture Organization of the United Nations
http://www.fao.org/news/story/en/item/1187738/icode/
2. Crop loss assessment;Wellings,1989
3. Crop losses to arthropods;Culliney,2014
4. Taxonomic issues;Blackman,2017
5. Attempts to control aphid pests by integrated use of semiochemicals;Pickett,1994