One of the classic generic nymphs. Although originally designed to imitate a cased caddis fly, the Zug Bug has proven its effectiveness over many decades. Well worth tying up a few in # 10-16.

Zug Bug pattern recipe

Hook: Mustad R73 # 10-16
Tying thread: Sheer 14/0 Black
Tail: 3 Peacock sword fibers
Rib: Oval silver tinsel
Under body: Lead wire
Body: Peacock herl
Hackle: Brown hen
Wing bug: Mallard flank
Head: Black varnish

How to tie Zug Bug