| Scientific name | Authorship | Rank | Status | Images | |
|---|---|---|---|---|---|
| Isidiella labathiella | (Viette, 1956) | species | Accepted | ||
| Islopha albicristata | Warren, 1911 | species | Accepted | ||
| Islopha magna | Mey, 2011 | species | Accepted | ||
| Isocentris amoenalis | (Walker, 1866) | species | Synonym | ||
| Isocentris argentifilalis | (Hampson, 1908) | species | Synonym | ||
| Isocentris barnsalis | Viette, 1957 | species | Accepted | ||
| Isocentris charopalis | Swinhoe, 1907 | species | Accepted | ||
| Isocentris dives | (Butler, 1881) | species | Synonym | ||
| Isocentris filalis | (Guenée, 1854) | species | Accepted | ||
| Isocentris holoxanthalis | (Mabille, 1881) | species | Synonym | ||
| Isocentris metallogramma | (Meyrick, 1934) | species | Synonym | ||
| Isocentris porphyroxantha | Meyrick, 1936 | species | Accepted | ||
| Isocentris retinalis | (Saalmüller, 1880) | species | Synonym | ||
| Isocentris rhodophilalis | (Walker, 1866) | species | Synonym | ||
| Isocentris seychellalis | Fletcher T. B., 1910 | species | Accepted | ||
| Isocentris thomealis | Viette, 1957 | species | Accepted | ||
| Isocentris veroniqueae | (Guillermet, 1996) | species | Synonym | ||
| Isocrita eremasta | Meyrick, 1914 | species | Accepted | ||
| Isocrita ithydoxa | Meyrick, 1920 | species | Accepted | ||
| Isocrita phlyctidopa | Meyrick, 1921 | species | Accepted | ||
| Isocrita protophanes | Meyrick, 1927 | species | Accepted | ||
| Isocrita psalactis | Meyrick, 1912 | species | Accepted | ||
| Isocrita stolarcha | Meyrick, 1909 | species | Accepted | ||
| Isocylindra melitosoma | Meyrick, 1930 | species | Accepted | ||
| Isophrictis kefersteiniellus | (Zeller, 1850) | species | Accepted |