Dentalion jimenezi sp. nov.

(Figs 23–26, 62, 64)

Diagnosis. Frontal suture reaching eyes at a level equal to half distance between posterior margin of anterior ocellus and anterior margin of posterior ocelli (Fig. 26); forewing costal cell bare (as in Fig. 52); propodeum smooth (Fig. 25), callus with 2 setae.

Description. FEMALE. Length 1.6–1.8 mm. Scape yellowish-brown with dorsal edge dark brown, pedicel and flagellum dark brown. Frons metallic bluish-purple. Vertex black with metallic bluish-purple tinges. Mesoscutum with anterior ½ black with metallic tinges, posterior ½ metallic bluish-green. Scutellum with anterior ¾ goldenpurple, posterior ¼ metallic bluish-purple. Propodeum metallic bluish-green. Coxae dark and metallic; femora and tibiae dark brown; fore tarsus with tarsomeres 1–3 white, 4 dark brown, mid and hind tarsi completely white. Forewing hyaline. Gaster with tergites 1 and 6 metallic bluish-purple, remaining tergites dark brown with metallic tinges.

Antenna as in Fig. 62. Frons with raised, strong reticulation (Fig. 23); frontal suture reaching eyes at a level equal to half distance between posterior margin of anterior ocellus and anterior margin of posterior ocelli. Vertex with engraved, strong reticulation inside ocellar triangle, but smooth outside ocellar triangle (Fig. 26). Occipital margin rounded. Eyes with sparse, scattered hairs (Figs 23, 26).

Pronotum without transverse carina close to posterior margin (Fig. 24). Mesoscutum with raised, strong reticulation (Fig. 24); notauli as narrow distinct grooves in anterior 1/3, not visible in posterior 2/3. Scutellum with raised, rather strong reticulation in anterior ¾, but posterior ¼ smooth (Fig. 24); with 1 pair of setae. Propodeum smooth (Fig. 25); callus with 2 setae. Forewing speculum closed below; costal cell bare.

Petiole 0.2X as long as wide, smooth. Gaster elongate with apex acuminate; tergites smooth.

MALE. Length 1.3–1.4 mm. Scape yellowish-brown to pale brown, with dorsal edge dark brown. Mesoscutum metallic bluish-green. Gaster with a large white spot in anterior ½. Colour otherwise as in female. Antenna as in Fig. 64; head otherwise as in female. Mesosoma and metasoma as in female.

Material examined. Holotype female (INBio) labelled “ COSTA RICA, Guanacaste, Bagaces, P.N. Palo Verde, Sct Palo Verde, Extremo E de campo de Aterrizaje, 10 m, 10.i–9.ii.2001, I. Jiménez, LN 259050/388400, #61361”. Paratypes. 1Ψ 3ɗ on cards. COSTA RICA. Puntarenas: Reserva Abs. Cabo Blanco, 09˚35'N 85˚06'W, 30 m, 16–17.ii.2009, J.S. Noyes (BMNH).

Etymology. Named after the collector of the holotype, Iván Jiménez, former parataxonomist at INBio.

Distribution. Costa Rica.