Phostria albescentalis is a species of moth in the family Crambidae. It was described by George Hampson in 1918.[1] It is found in the Democratic Republic of the Congo (North Kivu), Kenya and Mozambique.[2]
The inner margin of the forewings has a small black spot at its extremity and there is a curved blackish antemedial line, as well as a small black spot in the middle of the cell and an elliptical discoidal spot. The postmedial line is blackish and there is a slight blackish terminal line. The basal half of the hindwings is white and the terminal half is whitish suffused with pale grey brown. There is a small oblique black discoidal spot and a diffused dark postmedial line, as well as an indistinct diffused curved brown subterminal line and a black terminal line.[3]