Samea choristalis is a moth in the Crambidae family. It was described by Hampson in 1912. It is found in Trinidad. The wingspan is about 20 mm. The forewings are semi-hyaline yellow, the costal area suffused with brown on the basal half. There is an oblique brown line near the base, followed by a band. There is also a fine antemedial line, quadrate conjoined medial spots in and below the cell defined at the sides by brown, as well as a quadrate brown discoidal spot with some yellow in the centre. The postmedial line is brown, slightly waved and excurved between veins 6 and 2, then retracted to the lower angle of cell and oblique and waved to the inner margin. This line is defined on the outer side by a series of yellow spots in the interspaces from below the costa to vein 2. The terminal a