Key to males of Burmese amber Bruchomyiinae
1. Genitalia with long, blade shaped parameres almost reaching the end of the epandrium................................................................ P. quandrispiculatum (Stebner, Solórzano-Kraemer, Ibáñez-Bernal & Wagner 2015)
- Parameres small, not clearly discernible.................................................................. 2
2. Gonostyli bifurcate...................................................................... P. bisulcum sp. n.
- Gonostyli simple.................................................................................... 3
3. Epandrium in lateral view about two times longer than gonocoxite, gonostylus curved, consistently narrower..................................................................................................... P. muelleri sp. n.
- Epandrium and gonocoxites of equal length, gonostyli nearly straight, apical half thinner............. P. notandum sp. n.