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I do not think this is Lypha.

The tip of vein M in tribe Polideini is typically curved, like tribe Exoristini but less elongated and closer to a quarter circle. The eyes of Polideini are normally hairy. The scutellum tends to have very long bristles.

This has the general appearance of Goniini or Eryciini, what an American author once called the "vast central mass" of Tachinidae with few distinguishing features.