any of various dipterous flies of the genus Calliphora and related genera that lay their eggs in rotting meat, dung, carrion, and open wounds: family Calliphoridae 
Also called: bluebottle
Collins Concise English Dictionary © HarperCollins Publishers::
blow′ fly′, 
            - Insectsany of numerous dipterous insects of the family Calliphoridae that deposit their eggs or larvae on carrion, excrement, etc., or in wounds of living animals.
 
- 1815–25
 
'blowfly' also found in these entries (note: many are not synonyms or translations):