Diaphania fuscicaudalis

Diaphania fuscicaudalis is a moth in the Crambidae family. It was described by Möschler in 1881. It is found in Brazil and Ecuador.

The length of the forewings is 13.2-14 mm for males and 14.6 mm for females. There are dark-brown costal and external bands on the forewings and the wing disc is white with a light purple gloss and some yellowish sea1es in the anal margin. There is an external brown band on the hindwings.