Myopsocus caquetensis n. sp.

(Figs 97–102)

Diagnosis. Belonging to the assemblage of species that does not present the forewing with the apical margin of some of its cells scalloped. Unlike these, it presents a pyriform phallosome, with side struts basally united, projecting posteriorly on the base of the external parameres, these wide rounded apically (Fig. 102).

Male. Color. Head (Fig. 99) brown. Compound eyes black, ocelli hyaline, with ochre centripetal crescents. Antenna pale brown; maxillary palps brown, Mx4 darker. Forewing (Fig. 97) hyalines, with pale brown spots; pterostigma brown, with brown spots that extends outside the margin, while retaining its shape, alar margin dotted, veins light brown to pale brown. Hindwing (Fig. 98) smoked, with veins brown and dotted alar margin. Legs: coxae and trochanter dark brown, femur dark brown, light brown preapically, tibia and tarsi pale brown, t2–t3 darker. Hypandrium and phallosome brown; paraprocts and epiproct pale brown.

Morphology. As in diagnosis, plus the following: Head (Fig. 99): H/MxW: 1.27; compound eyes large, H/D: 1.97; IO/MxW: 0.65. Vertex V-shaped wide, slightly below upper margin of compound eyes. Outer cusp of lacinial tips broad, with three denticles; Mx4/Mx2: 1.40. Forewings (Fig. 97): L/W: 2.82. Pterostigma: lp/wp: 2.77, areola postica wider than tall, apically angled: al/ah: 1.73. Hindwings (Fig. 98): l/w: 2.92. Hypandrium trianguliform, with rounded apex (Fig. 101), anterior border concave; with several macrosetae. Phallosome pyriform (Fig. 102), side struts basally united, projecting posteriorly on the base of the external parameres, these wide rounded apically. Paraprocts trianguliform (Fig. 100), with a field of setae and macrosetae on distal area; sensory fields with 20 trichobothria on basal rosettes. Epiproct (Fig. 100) semioval, with antero-lateral processes projecting below the clunium, with scattered setae, as illustrated.

Measurements. FW: 2330, HW: 1825, F: 425, T: 825, t1: 305, t2: 50, t3: 72, ctt1: 15, f1: 425, f2: 280, f3: 262.5, f4: 225, f5: 175, f6: 155, f7: 125, f8: 125, f9: 107.5, f10: 97.5, f11: 65, Mx4: 134, IO: 280, d: 205, D: 277, IO/d: 1.37, PO: 0.74.

Material studied. Holotype male. COLOMBIA. Caquetá, Belén de los Andaquies. Resguardo Indígena La Esperanza, 01°36’19.18’’N: 75°56’12.46’’W. 844m. 27–28.ii.2017. MUSENUV slide code: 31330. J. Panche. Led light trap in forest canopy.

Etymology. This species is dedicated to the Caquetá department, where the holotype was found.