www.tjprc.org editor@tjprc.org International Journal of Agricultural Science and Research (IJASR) ISSN(P): 2250-0057; ISSN(E): 2321-0087 Vol. 4, Issue 3, Jun 2014, 79-90 © TJPRC Pvt. Ltd. DIET STRESS EFFECT ON ADAPTIVE STRATEGY OF BLACK BUPRESTIDAE CAPNODIS TENEBRIONIS (COLEOPTERAN: BUPRESDAE) TRANSLATED BY ITS ENERGY-GIVING ALLOTMENTS FLUCTUATIONS LATIFA BRAHIMI & ZAHR-EDDINE DJAZOULI Université de Blida 1, Faculté des Sciences de la Nature et de la Vie, Département des Biotechnologies, Route De Soumaa Blida, Algérie ABSTRACT In trees with stones, Capnodis tenebrionis appears among major depredators and the most dangerous, but the most mysterious too because of its resistance facing all phytosanitary treatments and so of its biological cycle enough confused going from 1 to 2 years. Present study is performed in the centre of Atlas Tellien in region of Medea. Zone of potential production of rosaceous with stones on plums trees’ orchards (Prunus domestica) and cherry trees (Prunus mahaleb) seriously infested by Capnodis tenebrionis Our vestigations had been spread on 3 seasons (winter, spring, summer), with aim to grasp relation which may exist between nourishing support and biological performance of Capnodis tenebrionis. This trophic relation is estimated through energetic results of Capnodis individuals moving around on different hosts. Results had been significant in term of phytochemical quality variability of both studied hosts. Relation between variation of leaf limbus and petioles’ composition and so Capnodis females numerical and ponderal evolution has been considered. Variations of total sugars contents and condensed tannins during seasonal variation have been observed. Those modifications affect females’ energetic result Abundance of Capnodis individuals on Prunus domestica is linked to total sugars quantities, whereas on Prunus mahaleb, it would be linked to condensed tannins. KEYWORDS: Lipidic Reserves, Carbohydrate Reserves, Rosaceous with Stones, Total Sugars, Condensed Tannins, Stress INTRODUCTION Insufficiency from which suffer rosaceous sectors are being worse by troubles linked to technical, managerial and climatic constraints, for that reason, parasitic attacks may be numerous, recurred and very damageable (Mahhou, 2009). Capnodis tenebrionis L. (1758) is known in several regions of Mediterranean basin as phytophage insect common to rosaceous family. Damages committed by adults are clearly distinguished from those inflicted by larvae; those last ones cause almost invariably death of attacked individual. Whereas adults partly defoliate attacked individuals and especially devouring petioles, destroying buds and shelling in surface, hardly harvested tender growth or weakly lignified (Gouguenheim et al., 1950). Trophic relation between devastating insect and host plant allowing minimal contribution in required diet for survival and growing is mainly based on temporal availability of biochemical composition of attacked organs. Synchronisation degree between infecting insect’s stage and stages of phonologic vulnerable is going beyond of the simple