A basic Fore-and-Aft with a wing; tied here as a Yellow Sally, added an egg sac. Here’s the video if you’re interested


hook - WFC Model 3 #14 (short shank makes it a wide-gap #16)
thread - Danville 6/0 pale yellow
egg sac - Danville 6/0 fire orange
rear hackle - grizzly (undersize by 2)
body - dubbing pale yellow
wing - deer hair bleached
front hackle - ginger