Catchall Images
In the catch-all survey, on both wings all the craters of 0.1 mm were recorded for a total surface area of 0.45 m2.

Hirox Images
Images taken with HIROX Video-microscope on both –V2 and +V2 wings for a surface of about 0.5 m2.

Nikon Images
Scanning performed with a Nikon high resolution digital camera of 6 Mbyte interfaced to a distributed computer system and data logged on DVD discs.

Sem Images
Images taken with a Scanning Electron Microscope.

Excel based Image Categorisation and Explanation
(Excel Export: Viewing with Internet Explorer is recommended).