The objectives of this study were analysis of the secondary metabolite products of Ricinus communis and evaluation anti-insect activity against Callosobruchus maculatus (Coleoptera: Brauchidae). GC-MS analysis of Ricinus communis revealed the existence of the Pregn-5-ene-3,11-dione , 17,20,21-bis[methylene bis(oxy)]-, 9,10-Secocholesta -5,7,10(19)-triene-3,24,25-triol , (3?,5Z,7E)- , 8-Octadecenal , Pyrrolizin-1,7-dione-6-carboxylic acid , methyl(ester) , Tertbutyloxyformamide , N-methyl-N-[4-(1-pyrrolidinyl)-2-butynyl , 1,2,4-Triazino[5,6-E][1,2,4]-triazine-3,6-dione , hexahydro- , Deoxyspergualin , ?-D-Glucopyranoside , O-?-D-glucopyranosyl-(1.fwdarw.3)-?- , Cyclohexanecarboxylic acid , 2-hydroxy-,ethyl ester , Aminoacetamide , N-methyl-N-[4-(1-pyrrolidinyl)-2-butynyl]- , Pregna-3,5-dien-9-ol-20-one , 2-Methoxy-4-vinylphenol , Ascaridole epoxide , Trans-3,4,5-Trimethoxy-?-nitrostyrene , 3-(N,N-Dimethyllaurylammonio)propanesulfonate , Tetraacetyl-d-xylonic nitrile , Pentaerythritol , bis-O-(9-borabicyclo[3.3.1]non-9-yl)-di-O-methyl , 5H-Cyclopropa[3,4]benz[1,2-e]azulen-5-one,9,9a-bis(acetyloxy) , 1H-Purin-2-amine , 6-methoxy-N-methyl- , 1,2-Cyclopentanedicarboxylic acid 4-(1,1-dimethylethyl)-dim , Glycyl-D-asparagine , 1-Tetradecanamine , N,N-dimethyl- , Gibberellic acid , 2,7-Diphenyl-1,6-dioxopyridazino[4,5:2 ,3 ]pyrrolo[4 ,5 -d]pyrida , Propiolic acid , 3-(1-hydroxy-2-isopropyl-5-methylcyclohexyl)- , l-(+)-Ascorbic acid2,6-dihexadecanoate and Phytol. Methanolic seeds extract of Ricinus communis was highly active on accumulative mortality of Callosobruchus maculatus (Coleoptera: Brauchidae) (adult).