CAICEDO-R., G.; VARGAS-G., H.; GAVIRIA-M., J. STUDY OF THE NATURAL SETTLEMENT MODEL OF Xylocopa Spp. (Hymenoptera: Anthophoridae) FOR THE ADAPTATION OF SHELTERS IN THE PASSION FRUIT CULTIVATION (Passiflora Edulis Var. Flavicarpa Degener). Rev. Colomb. Entomol. 1993, 19, 72-78.