| Scientific name | Authorship | Rank | Status | Images | |
|---|---|---|---|---|---|
| Oreocossus ungemachi | Rougeot, 1977 | species | Accepted | ||
| Oreometra fifae | Wiltshire, 1986 | species | Accepted | ||
| Oreometra ras | Herbulot, 1983 | species | Accepted | ||
| Oreometra vittata | Aurivillius, 1910 | species | Accepted | ||
| Oretopsis vohilava | (Viette, 1954) | species | Accepted | ||
| Organodesma arsiptila | (Meyrick, 1931) | species | Accepted | ||
| Organodesma aurocrata | Gozmány, 1976 | species | Accepted | ||
| Organodesma erinacea | (Walker, 1863) | species | Accepted | ||
| Organodesma heptazona | (Meyrick, 1931) | species | Accepted | ||
| Organodesma leucomicra | (Gozmány, 1966) | species | Accepted | ||
| Organodesma merui | Gozmány, 1969 | species | Accepted | ||
| Organodesma onomasta | Gozmány & Vári, 1973 | species | Accepted | ||
| Organodesma optata | Gozmány, 1967 | species | Accepted | ||
| Organodesma ornata | Gozmány, 1966 | species | Accepted | ||
| Organodesma petaloxantha | (Meyrick, 1931) | species | Accepted | ||
| Organodesma psapharogma | (Meyrick, 1936) | species | Accepted | ||
| Organodesma simplex | Gozmány, 1967 | species | Accepted | ||
| Orgyia albacostata | Bethune-Baker, 1911 | species | Accepted | ||
| Orgyia hopkinsi | Collenette, 1937 | species | Accepted | ||
| Orgyia nigrocristata | Joicey & Talbot, 1924 | species | Accepted | ||
| Orgyia vaporata | Hering, 1926 | species | Accepted | ||
| Orgyiodes caparia | (Walker, 1862) | species | Accepted | ||
| Orgyiodes capicolaria | Felder, 1874 | species | Synonym | ||
| Oria flavescens | (Hampson, 1902) | species | Accepted | ||
| Orilesa aberdarica | Razowski, 2014 | species | Accepted |