| Parent | Category | Figures | |
|---|---|---|---|
| 1 | Isoperla | similis | 32 |
| 2 | Isoperla | namata | 27 |
| 3 | Isoperla | holochlora | 22 |
| 4 | Isoperla | dicala | 15 |
| 5 | Isoperla | montana | 12 |
| 6 | Isoperla | davisi | 11 |
| 7 | Isoperla | bilineata | 11 |
| 8 | Isoperla | orata | 10 |
| 9 | Isoperla | transmarina | 9 |
| 10 | Isoperla | signata | 5 |
| 11 | Isoperla | pinta | 5 |
| 12 | Isoperla | marlynia | 3 |
| 13 | Isoperla | marmorata | 3 |
| 14 | Isoperla | lata | 3 |
| 15 | Isoperla | grammatica | 2 |
| 16 | Isoperla | richardsoni | 2 |
| 17 | Isoperla | zwicki | 1 |
| 18 | Isoperla | fulva | 1 |
| 19 | Isoperla | obscura | 1 |