Klyngon petalon sp. nov.

(Figs 14, 30, 44, 66, 79, 97)

Diagnosis. Female flagellum with 1 funicular segment and a 3-segmented clava (Figs 79, 97); antennal scrobes as deep and wide grooves (Fig. 14); frontal suture absent (Fig. 14); occipital margin rounded with posterior ocelli situated away from margin (Fig. 30); midlobe of mesoscutum with 16 scattered setae (Fig. 44); scutellum with 5 pairs of setae (Fig. 44); forewing with submarginal vein with 7 setae, marginal vein flattened and wide, stigmal vein long and narrow, postmarginal vein very short, 0.1X as long as stigmal vein, speculum small, closed below (Fig. 66).

Description. FEMALE. Length 1.6 mm.

Scape yellowish-brown, pedicel and flagellum dark brown. Frons black and shiny. Vertex, mesoscutum and scutellum black and shiny with weak golden tinges. Coxae, femora, tibiae and fore tarsus dark brown, mid and hind tarsi with tarsomeres 1–3 yellowish-brown, 4 dark brown. Wings hyaline. Gastral tergites dark brown and shiny.

Flagellum with 1 small discoid anellus and 1 large anellus, 1 funicular segment and a 3-segmented clava (Figs 79, 97). Frons and vertex with strong, raised reticulation. Antennal scrobes deep and distinctly delimited, shiny; with an interscrobal prominence; frontal suture absent. Occipital margin rounded. Eyes with scattered short hairs.

Mesoscutum 0.5X as long as wide; with strong, raised reticulation; midlobe with 16 scattered setae; notauli indistinct. Scutellum 1.0X as long as wide; with strong, raised reticulation; with 5 pairs of setae. Propodeum hidden under inflated gaster. Forewing with 7 setae on dorsal surface of submarginal vein; apex of costal cell with setae on ventral surface; speculum small and closed below.

Petiole not visible, but presumably small. Gaster ovate; gastral tergites smooth and partly shrivelled.

Ratios. HE/MS/WM = 3.3/1.0/2.7; POL/OOL/POO = 3.1/1.2/1.0; WH/WT = 1.0; LW/LM/HW = 1.9/1.0/ 1.3; PM/ST = 0.1; MM/LG = 0.9.

MALE. Unknown.

Distribution. Mexico.

Biology. Unknown.

Material examined. Holotype female labeled “ MEXICO, Guerrero, 32 miles southeast Petatlan, 10.vii.1985, J. Woolley & G. Zolnerowich, 85/047”, in TAMU.

Etymology. Named for the flattened and wide marginal vein (Greek petalos = broad, flat).