3x Mystacella sp. (Peru)

These photos illustrate 3 species of Mystacella – a tachinid that, like Chrysoexorista, is a beautiful metallic green (sometimes across the whole body, but at the very least on the thorax) in life but this fades to golden brown when dead. Mystacella have the vibrissae emerging quite high above the mouth edge and a very wide gena and parafacial area.

I’m fairly confident that they represent 3 distinct species because the 2 larger specimens differ in the hairs on the parafacial (one is totally bare, the other is very hairy) and the third specimen is much smaller (there are 2 specimens of this taxon).

EDIT (04/01/2011): Confirmed by Monty Wood.

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