What a difference a day makes … 2

What a difference a day makes ...
Here I just wanted to show you how Chrysoexorista spp. loose their colour almost over night. This first photos show how the Chrysoexorista looked a few hours after it had been removed from the malaise trap alcohol and the last 3 show how it looks now:

Chrysoexorista sp. (Bolivia & Brazil)

Chrysoexorista sp. (Bolivia & Brazil)
This genus is one of my favourites, but from the rather drab greasy-looking colouration you might be forgiven for wondering why? However, their gorgeous metallic green colours only show in life or when freshly removed from alcohol – but when they have dried out the colours are all lost and all that is left is ...

fg-taxon #77 (Chrysoexorista sp.)

fg-taxon #77 (Chrysoexorista sp.)
This is possibly the most beautiful tachinid I have ever seen. The photos say it all! In this taxon the irredescent green colour comes from layers of dusting, rather than the usual duller, green-coloured pigments found in European genera, such as Gymnocheta and Lucilia. It is worth noting that days after this photo was taken ...