Isthmopsocus foliatus Calderón-Martínez, González-Obando & Aldrete, 2014, n. sp.

Isthmopsocus foliatus n. sp.

(Figs 80–89)

Diagnosis. Phallosome (Fig. 84) with three endophallic sclerites, two lateral, similar in shape and a central one, of different shape. Gonapophyses (Fig. 89), wide at base, narrowing distally, acuminate; subgenital plate (Fig. 87) broad, setose, with a small concavity apically.

Description. Male. Color. Head (Fig. 82) brown yellowish, with brown spots on vertex, genae, postclypeus and epistomal sulcus. Compound eyes black, ocelli hyaline. Thorax light brown, with a brown longitudinal band on each thoracic pleuron. Abdomen creamy, with tenuous brown subcuticular rings. Clunium, epiproct and paraprocts light brown. Wings (Figs 80–81) almost hyaline, with a light orange hue, pterostigma opaque, veins pale brown.

Morphology. As in diagnosis, plus the following: posterior border of clunium, over the area of the epiproct (Fig. 85), with a dense field of small papillae. Hypandrium (Fig. 83) anteriorly wide, with sides converging to pointed apex, setae as illustrated. Paraprocts oval, sensory fields with 26 trichobothria on basal rosettes. Epiproct subtriangular, with setae on distal half.

Measurements. FW: 2600, HW: 2050, F: 690, T: 1125, t1: 450, t2: 130, ctt1: 12, f1: 540, f2: 370, f3: 310, Mx4: 180, IO: 130, D: 260, d: 370, IO/d: 0.35, PO: 1.42.

Female. Color. Same as the male.

Morphology. As in diagnosis, plus the following: paraprocts (Fig. 88) oval, setae as illustrated, sensory fields with 20 trichobothria on basal rosettes. Epiproct subtriangular, with field of setae on distal half.

Measurements. FW: 3000, HW: 2300, F: 700, T: 1125, t1: 450, t2: 130, ctt1: 19, f1: 460, f2: 330, Mx4: 200, IO: 350, D: 120, d: 220, IO/d: 1.69, PO: 1.8.

Specimens studied. Holotype male. COLOMBIA. Cauca. Guapi. NNP Gorgona, Azufrada. 2° 57’ 1.6” N: 78° 11’ 15.2” W. 13 m. 27.ii.2011. R. González. Beating dead foliage. MUSENUV slide code 25759. Paratypes: 1 male. Same locality, collector and date. Beating dead foliage. MUSENUV slide code 25760. 1 female. Same locality and collector. 26.ii.2011. Beating dead foliage. MUSENUV slide code 25761. 1 male. NNP Gorgona, Mirador. 2° 57’ 9” N: 78° 11’ 3.6” W. 241 m. 24–25.v.2011. Beating dead foliage. J. Mendivil and F. Sarria. MUSENUV slide code 25762. 1 male. NNP Gorgona, Mirador. 27–28.ii.2011. D. Torres. Malaise trap. MUSENUV slide code 25763. 1 female. Valle del Cauca. Santiago de Cali. La Buitrera. 3° 22’ 20.5” N: 76° 34’ 11.3” W. 1153 m. v.2010. R. González. Beating dead foliage. MUSENUV slide code 25764.

Remarks. This species is similar to I. lanceatus Mockford (1991), but it doesn’t have the median longitudinal denticles on the hypandrium and the shapes of phallosome, subgenital plate and gonapophyses are different.

FIGURES 90–101. Male epiprocts. 90. C. ramulosus. 91. C. multimaculatus. 92. C. interruptus. 93. C. mockfordi. 94. C. roesleri. 95. C. garciai. 96–101. Male paraprocts. 96. C. ramulosus. 97. C. multimaculatus. 98. C. interruptus. 99. C. mockfordi. 100. C. roesleri. 101. C. garciai. Modified from Eertmoed (1986).