Key to the species of Pedioxestis based on male genitalia

1. Valva with free distal process, uncus posteriorly rounded or pointed........................... 2

- Valva without free distal process, uncus posteriorly concave at middle ......................... ................................................................................................... P. concaviuscula, sp. n.

2. Saccus elongate, longer than length of valva; uncus rounded posteriorly ...................... ........................................................................................... P. ferruginea Wang & Zheng

- Saccus broad and short, about 1/5 length of valva; uncus pointed posteriorly ............... ............................................................................................................ P. bipartita, sp. n.