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Images 5 and 7 are also likely to be Calliphora sp. Whether they are the same or different as 1 and 2 I do not know. Nr 4 i do not know, I might have already posted it here or diptera.info. Nr. 6 is a complete mystery and maybe it is not Calliphoridae at all. 
I think, image 5&7 Calliphora lata = Oh-kurobae image 4 is Melinda sp.?? 
Maybe image 6 is rather a Tachinidae sp with a relatively short antennae. | 
- Joyful Note -
- Antispam Version -