STUDY THE BIOLOGICAL EFFECT AND NANO PREPARATION OF OLEANDER PLANT NERIUM OLEANDER ON THE HAIRY GRAIN BEETLE Trogoderma granarium EVERTS (COLEOPTERA: DERMESTIDAE): STUDY THE BIOLOGICAL EFFECT AND NANO PREPARATION OF OLEANDER PLANT NERIUM OLEANDER ON THE HAIRY GRAIN BEETLE Trogoderma granarium EVERTS (COLEOPTERA: DERMESTIDAE). IJMRCP. 2026;18(1):336-345. Accessed June 2, 2026. https://jmracpc.uobaghdad.edu.iq/index.php/IJMRCP/article/view/590