Across 1,743 ranked games on patch 16.21 in Master and above, Qiyana mains win 52.7% of their games in the jungle.
Their most common build appears in 45.2% of those games and wins 54.3% of its 788 games.
It starts 
Gustwalker Hatchling, completes 
Voltaic Cyclosword, 
Bastionbreaker, 
Edge of Night and 
Serylda's Grudge in that order, and takes 
Ionian Boots of Lucidity.
Three other builds are played often enough in the jungle to be measured on their own.
In the jungle, Qiyana mains fare best against 
Zed (won 75.0% of 16 games), 
Locke (won 76.9% of 13 games) and 
Kindred (won 66.7% of 33 games).
Their hardest matchups, the champions that counter Qiyana, are 
Lee Sin (won 41.3% of 92 games), 
Karthus (won 25.0% of 12 games) and 
Rengar (won 40.0% of 40 games).