Pyrops watanabei is a species of planthopper endemic to Taiwan.

[1][2] Pyrops atroalbus was formerly considered a subspecies; its status as a species was reinstated in 2017.

The abdomen is red ventrally, and the tegmina are mainly white, with three black spots on the leading edge (costal area).

The posterior wings may be completely white or have a black apical third.

It has been recorded on the plants Triadica sebifera and Sapium discolor.