Schistaceous

Eyes golden-green. Mouth black. Thorax schistaceous beneath.

In No. 736 the throat is almost uniform schistaceous, except a few blackish dots here and there.

Wills does not just climb cliffs or scramble over boulders; he negotiates "schistaceous gneiss."

Habitat: Climbing over dwarf bushes or oak trees, on hill slopes, in forests, near streams, on schistaceous, sandy and rocky soils, 1300–3300m.

Sharp contact between the 4 kyr BP eroded surface soils and the subsequent schistaceous mudflow .