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Jatropha curcas L. is a multipurpose shrub of significant economic importance for its potential economic and medicinal uses. As a shrub; Jatropha sp is an indigenous plant inhabited many parts in Sudan states such as central, eastern and western states. As a promising plant, Jatropha curcas L. has been grown in El Rawakeeb Dry land Research Station for economic and environmental purposes. A field study was conducted at El Rawakeeb Dry land Research Station during October – December 2012 to evaluate arthropods diversity in association with Jatropha curcas L. The study included identification and quantification of arthropods using three extraction methods: (Hand sorting, Pit fall trap and butter fly net). The three methods revealed1169 individuals identified into 2 classes (Insecta and Arachnida) 12 orders, and18 families. Statistical analysis of data showed that members of class Insecta dominated the obtained fauna. At order level members of orders Thysanura, Odonata, Isoptera, Orthoptera, Dictyoptera, Hemiptera, Neuroptera, Coleoptera, Diptera, Lepidoptera and Hymenoptera were most dominant whereas, one order of class Arachnida (i.e. Araneae) was obtained. These results could be ascribed to the ability of insects to withstand different environmental conditions. Within the class Insecta; order Hymenoptera dominated the other orders followed by Isoptera, Coleoptera and Diptera. Simpson's diversity index obtained showed high arthropods diversity (0.6). The higher index of diversity is due to the positive impact of Jatropha curcas L. cultivation in this dry area which works on returned back of some disappeared species due to the drought which hit the area in the eighties of the lastcentury.

ARTHROPODS COMMUNITY ASSOCIATED WITH PHYSIC NUT (JATROPHA CURCAS L.) IN DRY LANDS (A CASE STUDY IN SUDAN)