Euplectrus xiomarae Schauff 2001

Female. Length of body 2.1 mm. Antenna with scape and pedicel yellowish-brown, flagellomeres 1–2 pale brown, 3–6 dark brown (Fig. 667). Mandibles yellowish-white, palpi white. Head black and shiny, lower face medially yellowish-brown, pale area reaching to level of middle of toruli (Fig. 663). Frons close to eyes with one row of setae (Fig. 659). Vertex with very weak reticulation, smooth lateral to posterior ocelli (Fig. 660). Occipital margin rounded (Fig. 660). Mesosoma black and shiny (Fig. 662). Each sidelobe of mesoscutum with seven setae. Scutellum 0.9× as long as wide; with weak reticulation (Fig. 661). Dorsellum along anterior margin with a groove that is divided by longitudinal carinae (Fig. 798), groove medially 0.3× as long as length of dorsellum. Propodeum with very weak reticulation (Fig. 798); anteromedially with a triangular cup; propodeal callus with 11 setae. Legs (Fig. 662): fore and mid legs yellowish-brown, hind leg with coxa dark brown, femur dark brown with basal ⅓ yellowish-brown, tibia and tarsus yellowish-brown. Fore wing: costal cell on ventral surface with two complete rows of setae, and margin with four setae close to marginal vein; with 17 admarginal setae mainly in one row, in apical ⅓ in two rows. Gaster with anterior ½ yellowish-brown with black lateral margins, posterior ½ black (Fig. 665). Ratios. HE/MS/WM = 1.7/1.0/1.2; POL/OOL/POO = 8.2/6.2/1.0; OOL/DO = 1.5; WE/WF/WH/HH = 1.0/3.0/5.1/3.8; WH/WT = 1.1; PM/ST = 1.8; TS1/TS2/LT/LT1/LT2/LT3/LT4 = 4.0/2.2/6.7/2.4/1.7/1.0/1.7; LP/WP = 1.0; MM/LG = 1.1. Male. Length of body 1.8 mm. Scape yellowish-white, slightly expanded and widest in the middle (Fig. 668); sensory pores confined to apicoventral ½. Similar to female except shorter gaster that has pale parts white (Fig. 666). Ratios. LC/WS = 3.7; MM/LG = 1.3.

Costa Rica (Guanacaste Province) (Schauff and Janzen 2001).