What caterpillar

What caterpillar

Observation - What caterpillar. Description: About 20mm, half upper half red/orange stripes on black and lower half white stripes on black. Fairly hairy/spikey. Found within Cottongrass.

About 20mm, half upper half red/orange stripes on black and lower half white stripes on black. Fairly hairy/spikey. Found within Cottongrass.