Could anyone suggest to me identification keys for Tachinidae flies within the Oriental region?

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Steve B. S. Baleba

this may also guide you : https://www.royensoc.co.uk/sites/default/files/Vol10_Part04a_1_Tachinidae.pdf

Suk Ling Wee

Thanks Gaurav Singh for sharing the keys from Europe and US. the Europe one is comprehensive while the US one is helpful with characters in drawings.

Hi Steve, thanks for sharing the keys from UK, I have this reference as well.

Cheers