If you don't tye your own flies then you can buy this pattern from Fulling Mill New Range of Flies in there 2018 Catalogue
Red Neck/Cutthroat Midge Pupa..
Hook, Fulling Mill Competition Heavyweight size 10s and 12s
Thread, UTC 70 Black
Rib, White Uni-Flex
Body, Black thread and Red Holographic Tinsel
Wing-Buds, Orange Uni-Flex and Flu-Red 544 Acrylic Artist Paint
Thorax, Black Thread