| Scientific name | Authorship | Rank | Status | Images | |
|---|---|---|---|---|---|
| Idaea microptera | (Warren & Rothschild, 1905) | species | Accepted | ||
| Idaea mimetes | (Brandt, 1941) | species | Accepted | ||
| Idaea mimetes kruegeri | Hausmann, 2009 | subspecies | Accepted | ||
| Idaea minimaria | (Warren, 1904) | species | Accepted | ||
| Idaea monticola | Hausmann, 2006 | species | Accepted | ||
| Idaea nasifera | (Prout L. B., 1916) | species | Accepted | ||
| Idaea neavei | Wiltshire, 1952 | species | Synonym | ||
| Idaea nigrosticta | (Warren, 1897) | species | Accepted | ||
| Idaea nili | (Wiltshire, 1949) | species | Synonym | ||
| Idaea nitescens | (Warren, 1902) | species | Synonym | ||
| Idaea ossicolor | (Janse, 1935) | species | Accepted | ||
| Idaea parallelaria | (Warren, 1902) | species | Accepted | ||
| Idaea paraplesia | (Prout L. B., 1916) | species | Synonym | ||
| Idaea particolor | (Prout L. B., 1922) | species | Misapplied | ||
| Idaea pediculata | (Fletcher D. S., 1958) | species | Accepted | ||
| Idaea pericalles | (Prout L. B., 1913) | species | Accepted | ||
| Idaea pericallis | auct. | species | Misapplied | ||
| Idaea plesioscotia | (Prout L. B., 1925) | species | Accepted | ||
| Idaea poecilocrossa | (Prout L. B., 1932) | species | Accepted | ||
| Idaea prionodonta | (Prout L. B., 1932) | species | Accepted | ||
| Idaea prosartema | (Herbulot, 1955) | species | Accepted | ||
| Idaea prucholoma | (Prout L. B., 1932) | species | Accepted | ||
| Idaea pulveraria | (Snellen, 1872) | species | Accepted | ||
| Idaea pulveraria agrammaria | (Mabille, 1900) | subspecies | Accepted | ||
| Idaea pulveraria inobtrusa | (Warren, 1898) | subspecies | Synonym |