Can you help identify this

[phil-sti]

A friend has these on his garden, they are some kind of precession caterpillar but not sure which.



Thanks

[phil-sti]

Anyone?

[rosie11]

Looks like buff tip caterpillars
http://www.uksafari.com/caterpillars.htm

[SPR2]

Looks like a cabbage white caterpillar.