Caterpillar ID please

[kevling]

Hi,

I saw a number of caterpillars during a July visit to Chamonix, France. I have been unable to identify the following four though. Any help would be appreciated.

Regards
Kev Ling

[ScottD]

last looks like a Fox Moth?

[JKT]

And the first brings to mind Melanchra pisi, though there might be others like it.