Macrostomus ciliaticosta Rafael & Cumming

(Figs 10A–G)

Macrostomus ciliaticosta Rafael & Cumming, 2006: 52 . Type locality: Peru, Cuzco, Quincemil .

M. ciliaticosta: Yang et al., 2007: 145 (cat.).

Diagnosis. Male. Two pairs of ocellar setae; thorax yellow with scutum and scutellum brown to black (Fig. 10A); hind tibia (Fig. 10A) with 5–6 dorsal setae; wing brown infuscated along costal cell and apex of cell r 2+3 (Fig. 10A); cell dm somewhat acute; veins M 1, M 2 and CuA+CuP somewhat distinct; tergite 8 (Figs 10B, C) with somewhat acute truncated distal projection; epandrium (Fig. 10B) with anterodorsal and posterodorsal lobes of subequal height; anterior cercus (Fig. 10B) somewhat narrow; median cercus with slender setae; posterior cercus (Fig. 10B) with apex acute and with a few long slender setae at margin, with wide ventral protuberance and many marginal yellow setae; hypandrium (Fig. 10D) with distinct bifid branch posteriorly, with many setae along posterior margin and distinct membranous area; in posterior view with apical lateral projections inwardly directed (Fig. 10E).

Female. Hind tibia with 4 long dorsal setae and short dorsal pinnate setae along distal half; hind tarsomere 1 with 1 slender dorsal seta; sternite 8 (Fig. 10F) with a subapical paired sclerotized protuberance, medially with a longitudinal somewhat membranous line, laterally with median third less sclerotized; genital fork (Figs 10F, G) Yshaped with rather strong lateral arms and a median short protuberance ventrally, with genital chamber membranous.

Geographical records. Brazil, Ecuador, Peru.

Material examined. Listed in Rafael & Cumming (2006).

Remarks. This species was described based on specimens from Brazil, Ecuador and Peru and no additional specimens of this species were studied.