Major insect pests of gum Arabic trees Acacia senegal Willd. and Acacia seyal L. in western Sudan
1994
Jamal, A. (Sudanese Natural Gum Arabic Association (SUNGAR), Khartoum (Sudan). Agricultural Research Council)
Acacia senegal (hasbab) and Acacia seyal (talh) are two major gum producing trees found mostly in the western region of Sudan. Kordofan province alone is responsible for 70% of the national production of gum Arabic. After the long drought that lasted from 1979 and up to 1984 gum production drastically decreased. Insect attacks were incriminated as the main causal agents in the decline of production. A survey executed in the region starting August 1986 uncovered a great number of dead acacias due to drought and pest attack but mainly due to socioeconomic policies involving gum production. The main areas surveyed were the once-rich markets of Barra, El Mazroub, El Khuwei, and around El Obeid area. A visit to El Damokia Forest lying on the Gum Belt was made. The most important insect pests found in the region were Coleoptera, Sternocera castanea L., Chrysobothris sp., Agrilus spp. and Psiloptera sp. (Buprestidae), Lanelater notodonta Latr. and Tetralobus cavifrons Fairm. (Elateridae), and Acanthophorus confinis Cast (Cerambicidae) and on the seeds Bruchus baudni Caill. (Bruchidae)
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