Material feel and texture shows that the forewings are leathery but the hind wings are transparent. 

Glaucous texture covered with a whitish powder or waxy coating and meal-like powder or minute particles.

Spiny skin on their top sides, which is made up of two different parts of dermal branchiae and pedicellaria.

Three aspects of a colorless with a hue of pigment translucent membrane covered by a layer of scales.

A fractal is a shape that repeats itself in a different range of scales.

An adhesive silk that snags prey not with a sticky glue