What arthropod lives in high altitude?

The highest living arthropod is Euophrys omnisuperstes, literally 'living above everything else', a fluffy white jumping spider. It feeds on other arthropods that are blown up to its altitude, atop Mount Everest! Other arthropods above the snowline are fly species, mosquitos, bumblebees and other flyers. Bumblebees are frequent, others are there accidentally, mostly.