Euplectrus eowilsoni Hansson

Female. Length of body 2.1 mm. Antenna with scape and pedicel yellowish-brown, flagellum dark brown with ventral part of flagellomeres 1–3 yellowish-brown (Fig. 262). Mandibles and palpi yellowish-white. Head black and shiny, lower face black with a small very dark reddish-brown spot medially, that is undelimited from surrounding parts of frons (Fig. 258). Frons close to eyes with an irregular row of setae that is double in parts (Fig. 268). Vertex with very weak reticulation, areas lateral to posterior ocelli smooth (Fig. 269). Occipital margin with a carina behind ocellar triangle (Fig. 269). Mesosoma black and shiny (Fig. 257). Mesoscutum with weak reticulation (Fig. 270). Scutellum 0.9× as long as wide; with very weak reticulation (Fig. 270). Dorsellum along anterior margin with a deep groove that is divided by longitudinal carinae (Fig. 753), groove medially 0.3× as long as length of dorsellum. Propodeum with very weak reticulation, smooth close to median carina (Fig. 753); anteromedially with a semicircular cup; propodeal callus with eight setae. Legs yellowish-brown with basal ⅓ of mid femur yellowish-white (Fig. 257). Fore wing: submarginal vein with four setae; costal cell with one complete row of setae on ventral surface, and margin with two setae close to marginal vein; with 14 admarginal setae in one row. Gaster with 1st tergite dark brown with a yellowish-brown inverted “T” medially, remaining tergites dark brown (Fig. 260). Ratios. HE/MS/WM = 1.9/1.0/1.3; POL/OOL/POO = 8.4/4.1/1.0; OOL/DO = 1.3; WE/WF/WH/HH = 1.0/2.0/4.3/3.0; WH/WT = 1.0; PM/ST = 1.7; TS1/TS2/LT/LT1/LT2/LT3/LT4 = 3.8/2.8/7.0/2.5/1.6/1.0/1.8; LP/WP = 0.5; MM/LG = 1.0. Male. Length of body 1.7 mm. Scape with outer lateral surface yellowish-white and inner lateral surface pale brown, strongly swollen (Fig. 263); with entire inner lateral surface with sensory pores. Similar to female except antenna with flagellomeres 1–2 yellowish-brown and 3–6 pale brown (Fig. 263), lower face with median part of lower face predominantly yellowish-brown, pale area reaching slightly outside of outer lateral margins of toruli, and with lower face drawn out and pointed (Fig. 259), fore and mid legs predominantly yellowish-white, gaster shorter, 1st tergite white with wide dark brown lateral margins and remaining tergites dark brown (Fig. 261). Ratios. LC/WS = 1.4; MM/LG = 1.3.

Costa Rica (Alajuela, Guanacaste and Puntarenas Provinces).