| Scientific name | Authorship | Rank | Status | Images | |
|---|---|---|---|---|---|
| Idaea pulveraria pulveraria | (Snellen, 1872) | subspecies | Accepted | ||
| Idaea pulveraria subculta | (Prout L. B., 1916) | subspecies | Accepted | ||
| Idaea punctigera | (Janse, 1935) | species | Accepted | ||
| Idaea purpurascens | (Prout L. B., 1916) | species | Accepted | ||
| Idaea remanei | Wiltshire, 1985 | species | Accepted | ||
| Idaea rufifascia | (Prout L. B., 1916) | species | Accepted | ||
| Idaea rufimixta | (Warren, 1901) | species | Accepted | ||
| Idaea rufulata | (Warren, 1901) | species | Misapplied | ||
| Idaea sanctaria | (Staudinger, 1900) | species | Accepted | ||
| Idaea shaatensis | Hausmann, Stadie & Fiebig, 2016 | species | Misapplied | ||
| Idaea shaathensis | Wiltshire, 1986 | species | Accepted | ||
| Idaea sinuilinea | (Prout L.B., 1913) | species | Accepted | ||
| Idaea sordida | (Rothschild, 1913) | species | Accepted | ||
| Idaea sordida dhofarica | Wiltshire, 1986 | subspecies | Accepted | ||
| Idaea sordidior | (Wiltshire, 1949) | species | Accepted | ||
| Idaea squamulata | (Warren, 1900) | species | Accepted | ||
| Idaea sublimbaria | (Warren, 1900) | species | Accepted | ||
| Idaea submaculata | (Warren, 1898) | species | Accepted | ||
| Idaea subscutulata | (Warren, 1899) | species | Accepted | ||
| Idaea subterfundata | (Prout L. B., 1922) | species | Accepted | ||
| Idaea subtorrida | (Prout L. B., 1916) | species | Accepted | ||
| Idaea sympractor | (Prout L. B., 1932) | species | Accepted | ||
| Idaea tahamae | Wiltshire, 1983 | species | Accepted | ||
| Idaea tineigidiata | Hausmann, 2006 | species | Accepted | ||
| Idaea tornivestis | (Prout L. B., 1932) | species | Accepted |