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Yes, the 1995 World Catalogue, though I also checked the latest 2016 version of that (which Wayne distributes to ephydrid workers) to ensure that it's still regarded as Cirrula. I think the fact that it appears in the Man.Cent.Am.Dipt. is simply that Wayne didn't update his key. It's not a genus I know (doesn't occur in the Palaearctic), so I have no opinion as to whether it should include Hydropyrus or not.