Tarassus shannoni confirmed from Colombia

Tarassus shannoni confirmed from Colombia
A little while ago I posted about a strange fly that had been shown to me at the Natural History Museum. It looked clearly like a phasiine tachinid but it lacked hypopleural bristles, which would normally mean that it would key as a muscoid, not an oestroid fly. It’s a very perplexing specimen but at ...