Scutellar sulcus lacking longitudinal carina; fore wing mostly infuscated; anterior transverse carina of propodeum not reaching the lateral margin; median tergites mostly black.

Holotype: female. Body length 7.5 mm. Fore wing length 7.3 mm. Fore wing mostly infuscated. Scutellar sulcus lacking longitudinal carina. Median areola of propodeum 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 length about same length as body.

Unknown.

Lytopylus salvadorlopezi is named in honor of Salvador López in recognition of his participation in the collaborative development of the ICE-ACG geothermal project of Pailas II, northwestern Costa Rica.

Reared five times from two species of leaf-tying Stenoma (Depressariidae) feeding on Persea schiedeana (Lauraceae) in ACG in the rain forest rain forest at 700 m elevation.

Holotype ♀: Costa Rica, Alajuela, Sector San Cristobal, Quebrada Cementerio, Area de Conservaciόn Guanacaste 10.87124N -85.38749W 700m., Osvaldo Espinoza coll., food plant: Lauraceae Persea schiedeana, host caterpillar: Depressariidae, Stenomatinae, Stenoma Janzen06, coll. date: 7/6/2009, parasitoid eclosion date: 8/6/2009, DHJPAR0036355. Paratypes: [the following have the same data as the holotype except as indicated] ♀, parasitoid eclosion date: 8/15/2009, DHJPAR0036345. ♀, host caterpillar: Stenoma Janzen12, coll. date: 11/19/2009, parasitoid eclosion date: 12/18/2009, DHJPAR0037949.