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Cottony cushion scale infestation on acacia trees

Publication Type:Journal Article
Year of Publication:1996
Authors:E. Getu
Journal:IAR Newsletter of Agricultural Research

In 1994-95, Icerya purchasi was found infesting Acacia cyanophylla [A. saligna] (a multipurpose tree that suits the agroforestry system) in Ethiopia for the first time. Treatment with pirimiphos-methyl failed to control the infestation, and all 4 young trees (age 4 years) that were affected died. Throughout the infestation, a large population of ants was attending the infested trees. Observations for natural enemies of the margarodid revealed few predatory coccinellids and few parasitoids. Prospects for control are discussed.

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith