Dentalion (Hymenoptera: Eulophidae: Entedoninae) a new genus from tropical America with eleven new species Author Hansson, Christer text Zootaxa 2011 2811 1 21 journal article 10.5281/zenodo.207919 9ac3fc1a-5928-4b60-94ee-3af7123e8635 1175-5326 207919 Dentalion apertum sp. nov. ( Figs 10–13 , 50, 52 , 58 ) Diagnosis. Forewing speculum open ( Fig. 52 ); forewing costal cell bare ( Fig. 52 ); frontal suture reaching eyes at level equal with middle of anterior ocellus ( Fig. 13 ); propodeum smooth ( Fig. 12 ), callus with 5 setae. Description. FEMALE. Length 2.3 mm . Scape yellowish-brown with dorsal and ventral edges dark brown, pedicel and flagellum dark brown. Frons below frontal suture black with metallic blue and purple tinges, above frontal suture metallic bluish-purple. Vertex inside ocellar triangle metallic dark purple, outside ocellar triangle golden-green. Mesoscutum metallic dark purple. Scutellum with a triangular area in anterior 2/3 golden-green, otherwise metallic bluish-green. Propodeum metallic bluish-green. Coxae, femora and tibiae dark and metallic; tarsi with tarsomeres 1–3 white, 4 dark brown. Forewing hyaline. Gaster with tergites 1 and 2 metallic bluish-green, remaining tergites dark brown with golden-green tinges. Antenna as in Fig. 58 . Frons smooth below frontal suture close to scrobes and close to eyes ( Fig. 10 ), but with raised, strong reticulation between the smooth areas and above frontal suture; frontal suture reaching eyes at level equal with middle of anterior ocellus. Vertex with raised, strong reticulation inside ocellar triangle, but smooth outside ocellar triangle ( Fig. 13 ). Occipital margin rounded. Eyes with sparse, scattered hairs. Pronotum without transverse carina close to posterior margin ( Fig. 11 ). Mesoscutum with raised, strong reticulation ( Fig. 11 ); notauli as narrow distinct grooves in anterior 1/3, not visible in posterior 2/3. Scutellum with raised, rather strong reticulation ( Fig. 11 ) except posterior margin smooth; with 1 pair of setae. Propodeum smooth ( Fig. 12 ); callus with 5 setae. Forewing speculum open 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, San Vito, Las Cruces, 08˚47'N 82˚58'W, 1000–1300 m , 7–19.ii.2007 , C. Hansson”. Etymology. Named for the open speculum in the forewing, from the Latin apertus = open. Distribution. Costa Rica .