Vertex of head mostly pale; fore wing mostly infuscated with a quadrate second submarginal cell; mesoscutum entirely pale (yellow to orange); median areola of propodeum length 15x its width; anterior transverse carina of propodeum not reaching the lateral margin; median tergites entirely pale (yellow to orange).

Holotype: female. Body length 5.0 mm. Fore wing length 5.0 mm. Fore wing mostly infuscated with a quadrate second submarginal cell. Scutellar sulcus with one median longitudinal carina. Median areola of propodeum length 15x its width with well-defined margins. Anterior transverse carina of propodeum not reaching the lateral margin. Lateral longitudinal carinae of median tergite 1 well-defined. Median syntergite 2+3 1.2 times longer than wide. Ovipositor longer than metasoma, but shorter than body.

Unknown.

Lytopylus gisukae is named in honor of Gisuk Lee, mother-in-law of the first author.

Reared one time from Antaeotricha Janzen405 (Stenomatinae, Depressariidae) feeding on mature leaves of Astrocaryum alatum (Arecaceae) in ACG rain forest at 420 m elevation.

Holotype ♀: Costa Rica, Alajuela, Sector Rincon Rain Forest, Sendero Venado, Area de Conservaciόn Guanacaste 10.89678N -85.27001W 420m., Pablo Umaña coll., food plant: Arecaceae Astrocaryum alatum, host caterpillar: Depressariidae, Stenomatinae, Antaeotricha Janzen405, coll. date: 8/1/2011, parasitoid eclosion date: 9/11/2011, DHJPAR0048076.