Euplectrus ronniei Schauff 2001

Female. Length of body 2.2 mm. Antenna (missing in non-type specimen) with scape white with apex and pedicel yellowish-brown, flagellum yellowish-brown with ventral parts pale yellowish-brown (Fig. 655). Mandibles and palpi white. Head black and shiny, lower face medially white with median ⅓ pale yellowish-brown, extending to half-way between level of outer lateral margins of toruli and eye, parts between pale area and eyes black (Fig. 652). Frons close to eyes with two rows of setae. Vertex smooth. Occipital margin rounded. Mesosoma black and shiny (Fig. 651). Each sidelobe of mesoscutum with 12 setae. Scutellum 0.9× as long as wide; with weak engraved reticulation, posterior margin smooth. Dorsellum along anterior margin with a groove that is divided by longitudinal carinae. Propodeum with very weak reticulation; anteromedially with a triangular cup that has posterior part strongly raised; propodeal callus with seven setae. Legs yellowish-white with hind coxa pale yellowish-brown (Fig. 651). Fore wing: costal cell on ventral surface predominantly with one row of setae, two rows at base, and margin with three setae close to marginal vein; with 15 admarginal setae, in one row. Gaster with anterior ½ yellowish-white with dark brown anterior and lateral margins, posterior ½ dark brown (Fig. 653). Ratios. HE/MS/WM = 2.0/1.0/1.1; POL/OOL/POO = 6.0/2.7/1.0; OOL/DO = 1.2; WE/WF/WH/HH = 1.0/2.8/5.1/3.7; WH/WT = 1.0; PM/ST = 1.3; TS1/TS2/LT/LT1/LT2/LT3/LT4 = 4.4/2.7/7.1/2.4/1.6/1.0/1.9; LP/WP = 0.7; MM/LG = 1.1. Male. Length of body without head 1.5 mm. Similar to female except shorter gaster with pale area white (Fig. 654). The head is missing in single available male specimen. Ratios. MM/LG = 1.2.

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