| Parent | Category | Figures | |
|---|---|---|---|
| 1 | Idia | aemula | 3746 |
| 2 | Idia | americalis | 3060 |
| 3 | Idia | lubricalis | 1199 |
| 4 | Idia | rotundalis | 804 |
| 5 | Idia | julia | 298 |
| 6 | Idia | diminuendis | 275 |
| 7 | Idia | scobialis | 236 |
| 8 | Idia | forbesii | 234 |
| 9 | Idia | concisa | 204 |
| 10 | Idia | denticulalis | 83 |
| 11 | Idia | majoralis | 53 |
| 12 | Idia | occidentalis | 26 |
| 13 | Idia | terrebralis | 26 |
| 14 | Idia | calvaria | 25 |
| 15 | Idia | laurentii | 23 |
| 16 | Idia | suffusalis | 20 |
| 17 | Idia | gopheri | 6 |
| 18 | Idia | parvulalis | 4 |
| 19 | Idia | immaculalis | 3 |
| 20 | Idia | pulverea | 1 |
| 21 | Idia | intensalis | 1 |