Blow Flies (Calliphoridae)
Blow Flies (Calliphoridae)
These older documents have not been updated with recent findings, but they will still be helpful:
Our most recent, comprehensive treatments are based on interactive spreadsheet-based matrix keys, but they are not illustrated and best suited to those with more experience:
The above guides prioritize characters visible in photos, but the below references are much more appropriate whenever specimens can be microscopically examined: