| English | French |
| blue bag of sheep | mammite mastitis |
| blue blowfly | mouche bleue Calliphora erythrocephala, Calliphora vomitoria (L.), Calliphora (spp.) |
| blue blowfly | mouche de la viande Calliphora erythrocephala, Calliphora vomitoria (L.), Calliphora (spp.) |
| blue blowfly | mouche bleue de la viande Calliphora erythrocephala, Calliphora vomitoria (L.), Calliphora (spp.) |
| blue bottle fly | mouche bleue Calliphora erythrocephala, Calliphora vomitoria (L.), Calliphora (spp.) |
| blue bottle fly | mouche de la viande Calliphora erythrocephala, Calliphora vomitoria (L.), Calliphora (spp.) |
| blue bottle fly | mouche bleue de la viande Calliphora erythrocephala, Calliphora vomitoria (L.), Calliphora (spp.) |
| blue bottle-fly | mouche bleue Calliphora erythrocephala, Calliphora vomitoria (L.), Calliphora (spp.) |
| blue bottle-fly | mouche de la viande Calliphora erythrocephala, Calliphora vomitoria (L.), Calliphora (spp.) |
| blue bottle-fly | mouche bleue de la viande Calliphora erythrocephala, Calliphora vomitoria (L.), Calliphora (spp.) |
| blue bug | tique de la poule Argas persicus |
| blue tick | tique de la poule Argas persicus |
