| Scientific name | Authorship | Rank | Status | Images | |
|---|---|---|---|---|---|
| Ortharbela jurateae | Lehmann, 2009 | species | Accepted | ||
| Ortharbela minima | (Hampson, 1920) | species | Accepted | ||
| Ortharbela obliquifascia | (Hampson, 1910) | species | Accepted | ||
| Ortharbela rufula | (Hampson, 1910) | species | Accepted | ||
| Ortharbela semifasciata | Gaede, 1929 | species | Accepted | ||
| Ortharbela sommerlattei | Lehmann, 2008 | species | Accepted | ||
| Ortharbela tetrasticta | (Hampson, 1910) | species | Accepted | ||
| Orthogonioptilum adamaouensis | Darge, 1988 | species | Accepted | ||
| Orthogonioptilum adiegatum | Strand, 1912 | species | Misapplied | ||
| Orthogonioptilum adiegetum | Karsch, 1893 | species | Accepted | ||
| Orthogonioptilum adiegetum adiegetum | Karsch, 1893 | subspecies | Accepted | ||
| Orthogonioptilum adiegetum aequinoctialis | Darge, 2008 | subspecies | Accepted | ||
| Orthogonioptilum adiegetum bafutensis | Darge, 1988 | subspecies | Accepted | ||
| Orthogonioptilum adiegetum dollmani | Jordan, 1922 | subspecies | Accepted | ||
| Orthogonioptilum adiegetum mucronatum | Darge, 1988 | subspecies | Accepted | ||
| Orthogonioptilum adiegetum neodollmani | Darge, 1988 | subspecies | Synonym | ||
| Orthogonioptilum adiegetum pseudadiegetum | Darge, 1988 | subspecies | Synonym | ||
| Orthogonioptilum adiegetum restrictum | Darge, 1988 | subspecies | Synonym | ||
| Orthogonioptilum adiegetum ugandensis | Darge, 1988 | subspecies | Accepted | ||
| Orthogonioptilum adustum | Jordan, 1922 | species | Accepted | ||
| Orthogonioptilum andreasum | Rougeot, 1967 | species | Accepted | ||
| Orthogonioptilum apium | Basquin, 1995 | species | Accepted | ||
| Orthogonioptilum arnoldi | Hering, 1932 | species | Synonym | ||
| Orthogonioptilum bergeri | Rougeot, 1962 | species | Accepted | ||
| Orthogonioptilum bernardii | Bouyer, 1990 | species | Accepted |