Dentalion noyesi sp. nov.

(Figs 31–34, 49, 53, 66)

Diagnosis. Frontal suture reaching eyes at level equal with anterior margin of anterior ocellus (Fig. 34); forewing costal cell bare (Fig. 53); propodeum smooth (Fig. 33), callus with 6 setae.

Description. FEMALE. Length 1.4–2.0 mm. Scape yellowish-brown with dorsal and ventral edges dark brown, pedicel and flagellum dark brown. Frons metallic purple. Vertex inside ocellar triangle golden-purple, outside ocellar triangle metallic bluish-green. Mesoscutum metallic bluish-green with posterior ½ of midlobe metallic dark purple. Scutellum metallic bluish-green, with purple tinges in posterior ¼. Propodeum metallic bluish-green. Coxae dark and metallic; femora and tibiae dark brown; mid tarsus completely white, fore and hind tarsi with tarsomeres 1–3 white, 4 dark brown. Forewing hyaline. Gaster with tergites 1 and 6 metallic bluish-green, tergites 2– 5 with anterior ½ metallic bluish-green and posterior ½ golden-purple, tergite 7 golden-purple.

Antenna as in Fig. 66. Frons with raised, strong reticulation below frontal suture and with very weak reticulation above frontal suture (Fig. 31); frontal suture reaching eyes at level equal with anterior margin of anterior ocellus. Vertex with engraved, strong reticulation inside ocellar triangle, but smooth outside ocellar triangle (Fig. 34). Occipital margin rounded. Eyes with sparse, scattered hairs (Figs 31, 34).

Pronotum without transverse carina close to posterior margin (Fig. 32). Mesoscutum with raised, strong reticulation (Fig. 32); notauli as narrow distinct grooves in anterior 1/3, indistinct in posterior 2/3. Scutellum with raised, rather weak reticulation except posterior margin smooth (Fig. 32); with 1 pair of setae. Propodeum smooth (Fig. 33); callus with 6 setae. Forewing speculum closed below; costal cell bare.

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

MALE. Unknown.

Material examined. Holotype female (BMNH) labelled “ COSTA RICA, Puntarenas, Reserva Privada Karen Mogensen, 09˚52'N 85˚03'W, 305 m, 14–15.ii.2005, J.S. Noyes”. Paratypes. 2Ψ on cards. COSTA RICA. Puntarenas: from same locality as holotype but collected 18.iii–4.iv.2003 (1Ψ, INBio). TRINIDAD & TOBAGO. Curepe, 9.vi.1978, malaise trap (1Ψ, CNC).

Etymology. Named after the collector of the holotype, John S. Noyes, Scientific Associate of the Entomology Department of the Natural History Museum in London.

Distribution. Costa Rica, Trinidad & Tobago.