| Scientific name | Authorship | Rank | Status | Images | |
|---|---|---|---|---|---|
| Idaea exquisita | (Warren, 1897) | species | Accepted | ||
| Idaea fimbriata | (Bang-Haas, 1907) | species | Misapplied | ||
| Idaea flamingo | (Warren, 1901) | species | Accepted | ||
| Idaea fortificata | (Prout L. B., 1916) | species | Accepted | ||
| Idaea fumigata | Hausmann, 2006 | species | Accepted | ||
| Idaea fumilinea | (Warren, 1903) | species | Accepted | ||
| Idaea fumilinea confracta | (Prout L. B., 1925) | subspecies | Accepted | ||
| Idaea fumilinea fumilinea | (Warren, 1903) | subspecies | Accepted | ||
| Idaea fylloidaria | (Swinhoe, 1904) | species | Accepted | ||
| Idaea gallagheri | Wiltshire, 1983 | species | Accepted | ||
| Idaea glomerata | (Prout L. B., 1937) | species | Accepted | ||
| Idaea granulosa | (Warren & Rothschild, 1905) | species | Accepted | ||
| Idaea griveaudi | Herbulot, 1978 | species | Accepted | ||
| Idaea hardenbergi | (Janse, 1935) | species | Accepted | ||
| Idaea hathor | (Wiltshire, 1949) | species | Accepted | ||
| Idaea heres | (Prout L. B., 1932) | species | Accepted | ||
| Idaea hesuata | Wiltshire, 1983 | species | Accepted | ||
| Idaea hispidata | (Warren, 1904) | species | Accepted | ||
| Idaea hypophautis | (Prout L. B., 1932) | species | Accepted | ||
| Idaea illustrior | (Wiltshire, 1952) | species | Accepted | ||
| Idaea illustris | (Brandt, 1941) | species | Accepted | ||
| Idaea inquisita | (Prout L. B., 1932) | species | Accepted | ||
| Idaea inspiculata | Hausmann, 2006 | species | Accepted | ||
| Idaea insularum | (Prout L. B., 1927) | species | Accepted | ||
| Idaea laciniata | (Warren, 1902) | species | Accepted |