Lineodes triangulalis is a moth in the family Crambidae.

It was described by Heinrich Benno Möschler in 1890.

It is found in Cuba, Puerto Rico,[1] Jamaica, Dominica, the Bahamas, Mexico, Honduras, Guatemala, Colombia, Trinidad and Venezuela.

[2] In the United States it has been recorded from Florida and Texas.

The larvae have been reared on the leaves of Capsicum frutescens.