Apocephalus papei new species

(Figs. 35, 36, 50)

Diagnosis. This species is similar to A. amacayacuensis, but the setae on the posterior margin of segment 6 are sparser, thinner and more evenly spaced.

Description. Body length 1 mm. Frons 0.48 head width. Flagellomere 1 round, light brown. Pleuron light brown. Costa 0.57 wing length. Halter light brown. Abdominal tergites light brown, normal sized. Tergite 6 yellowish-brown, about as broad as tergite 5, entire, apical margin straight, posterior margin with few elongate thick setae. Venter of abdomen yellowish brown, venter of segments 3–5 with scattered thin setae, venter of intersegment 6–7 membranous, setae absent. Venter of segment 6 lacking sclerite, with five long, thin setae. Oviscape elongate oval, with long dorsolateral setae, anterior process short, broadly rounded, with large lateral seta present. Apex broadly rounded, slightly downturned, with few small apical setae. Venter of oviscape with large laterally-directed, curved lateral setae. Intersegment 7–8 without sclerotization. Anterior arms of stylet anteriorly broadly rounded, curving inward only near tip, stylet downturned at midlength.

Distribution. Amazonian Ecuador.

Derivation of specific epithet. Named for Dr. Thomas Pape, one of the collectors.

Holotype. ♀, ECUADOR: Napo, Yasuni NP, PUCE station, 0.63°S, 76.6°W, 3–29.xi.1998, T. Pape, B. Viklund, Malaise trap (LACM ENT 112414] (LACM).