Ogata M., Fukuyama M., Higuchi H., 2010: Fecundity and longevity in adults of the Sorgum plant bug, Stenotus rubrovittatus (Matsumura) (Heteroptera: Miridae) under laboratory conditions. 4 pp. (in Japanese). Japanese Journal of Entomology (N.S.) 13(3-4): 129-132.

 Ohno S., Haraguchi D., Kohama T., 2006: New host and distribution records of the fruit fly, Bactrocera scutellata (Hendel) (Diptera: Tephritidae), in southwestern Japan, and a case of infestation of the species on cucumber fruits at Okinawa island. 3 pp. Japanese Journal of Entomology (N.S.) 9(1): 7-9.

 Olejníček J., (ed.), 1988: Medical and veterinary dipterology. Proceedings of the international conference. November 30 – December 4, 1987, České Budějovice, Czechoslovakia. 305 pp.  Discount 50%!

 Olejníček J., (ed.), 1988: Medical and veterinary dipterology. Proceedings of the international conference. November 30 – December 4, 1987, České Budějovice, Czechoslovakia. 305 pp. 

 Oliveira A. N., Oliveira L. A., Figueiredo A. F., 2003: Arbuscular mycorrhizal colonization and nutrient concentration of three cultivars of banana on a Central Amazonian Oxisol. 8 pp. Acta Amazonica 33(3): 345-352.

 Omoloye A. A., 2010: Effects of genotype variation in the cultivated rice species on the biology and galling characteristics of the African rice gall midge, Orseolia oryzivora (Diptera: Cecidomyiidae). 8 pp. Entomological Science 13(3): 320-327.

 Ortiz-Sánchez F. J., Tinaut A., 1994: Efecto de la polinazición mediante insectos sobre la producción en una variedad híbrida de girasol (Helianthus annus L.) en el sur de Espana. 8 pp. [M23] Entomofauna 15/34.

 Otero M. P. S., Losada E. D., Porto A. V. G., 1993: Estudio estadístico de representatividad de los datos obtenidos en análisis polínico de mieles de Orense (Espana) (9 tablas). [Study statistical of the representativity of pollen content of honey samples of Orense (Spain)]. 12 pp. Bol. R. Soc. Esp. Hist. Nat. (Sec. Biol.) 90(1-4): 5-16.