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Hi,

I'm knew to all this, hopefully I am not wasting anyones time on this, but would like some help identifying this fly. We live in Wellington New Zealand and have just noticed these flies appearing on our deck in large groups (around 10 to 15 flies in some instances). They are very large (roughly twice the size of standard house fly) and are freaking my wife and daughter out. Would love to know more about them if possible.

Thanks

Sandy Leadbeater