| Name | Children | Media (from resource) | Traits |
|---|---|---|---|
| Achipteria subgen. Achipteria Berlese 1885 | 1 | 0 | 0 |
| Achipteria curta Aoki 1970 | 0 | 0 | 0 |
| Achipteriidae Thor 1929 | 1 | 0 | 0 |
| Achipteriidae | 1 | 0 | 0 |
| Achorotile | 1 | 0 | 0 |
| Achorotile (Criochora) subarctica Scudder 1963 | 0 | 0 | 0 |
| Acidota | 2 | 0 | 0 |
| Acidota crenata (Fabricius 1792) | 0 | 0 | 1 |
| Acidota quadrata (Zetterstedt 1838) | 0 | 0 | 2 |
| Acilius | 2 | 0 | 0 |
| Acilius (Acilius) abbreviatus Aubé 1838 | 0 | 0 | 1 |
| Acilius (Acilius) semisulcatus Aubé 1838 | 0 | 0 | 0 |
| Aclastus | 3 | 0 | 0 |
| Aclastus karlukensis (Ashmead 1902) | 0 | 0 | 1 |
| Aclastus nigritus (Ashmead 1899) | 0 | 0 | 0 |
