Finnish fly tyer Pasi Järvinen ties some beautiful ultra realistic flies. Here is his latex Rhyacophila Caddis Pupa. I would suggest you follow Pasi on Instagram @back_to_the_stream.
Hook: TMC 100
Weight: Lead free round wire
Eyes: Melted monofil eyes coated with Gulff Black Magic uv resin
Body: Natural latex, Finecolour Marker Grass and Gulff Varnish
Thorax: SLF Squirrel dark brown
Wing buds: Swiss Straw
Legs: Pheasant tail
Head: latex with Orange brown marker