- Obraztsov 1954
- Die Gattungen der Palaearktischen Tortricidae I: Allgemeine Aufteilung der Familie und die Unterfamilien Tortricinae und Sparganothinae. Tijdschrift voor Entomologie 97(3): 141-231.
- Obraztsov 1964
- Die Gattungen der Pala earktischen Tortricidae II: Die Unterfamilien Olethreutinae, 5. Teil. Tijdschrift voor Entomologie 107(3): 1-48.
- Oku 1968
- New or little known species of the subfamily Olethreutinae injurous to coniferous trees from Japan (Lepidoptera, Tortricidae). Kontyû 36(3): 227-236.
- Oku 1963
- A new mint borer of Tortricidae from Japan, with description of a new genus (Lepidoptera, Tortricidae). Insecta Matsumurana 26(2): 104-107.
- Oku 1988
- Preliminary notes on a plum fruit moth, Grapholitha dimorpha Komai (Lepidoptera: Tortricidae). Bulletin of the Fruit Tree Research Station (Ministry of Agriculture, Forestry and Fisheries), series C, No. 15: 49-64.
- Olaifa, Akingbohungbe 1981
- Studies on the life history and life stages of the black cowpea moth, Cydia ptychora. Insect Science and its Application 1: 151-160.
- Olaifa, Akingbohungbe 1982
- Bionomics of Bracon ? hancocki Wilkinson (Hymenoptera: Braconidae). Bulletin of entomological Research 72: 567-572.
- , Balazs 1988
- Observations on the parasitoid Macrocentrus pallipes Nees (Hymenoptera: Braconidae) in connection with its two hosts Hedya nubiferana Haw. and Pandemis heparana Den. & Schiff. (Lepidoptera: Tortricidae). Acta Phytopathologica et Entomologica Hungarica 23: 1-2, 147-152.
- Otvos 1991
- North American species in forestry. In: World Crop Pests 5, Tortricid Pests. Their Biology, Natural enemies and control. Eds. L.P.S. van der Geest and H.H. Evenhuis. pp 719-746.