Input MCL group: MCL13450:
| Species | No. | Gene(s) |
| Homo sapiens | 0 | |
| Mus musculus | 0 | |
| Pediculus h. humanus | 2 | PHUM174480-PA PHUM459700-PA |
| Pogonomyrmex barbatus | 1 | pbar_dcr2-1 |
| Linepithema humile | 1 | LH15872-RA |
| Apis mellifera | 1 | GB30289-PA |
| Nasonia vitripennis | 1 | NV16620-PA |
| Tribolium castaneum | 1 | TC001108 |
| Bombyx mori | 2 | BGIBMGA011543-PA BGIBMGA011542-PA |
| Danaus plexippus | 1 | DPGLEAN17767-PA |
| Anopheles gambiae | 1 | AGAP012289-PA |
| Aedes aegypti | 1 | AAEL006794-PA |
| Drosophila pseudobscura | 1 | PSEGA19635-PA |
| Drosophila melanogaster | 1 | Dcr-2-PA |