Mictopsichia chirripoana sp. n.

Figs. 7, 10

Diagnosis. In facies, M. chirripoana is similar to M. gemmisparsana, but M. chirripoana has a greater forewing length, a darker brown forewing ground color, and broad suffusion of the hindwing, particularly in the apical region, that is either faint or lacking in M. gemmisparsana .

Description. Head: Brownish; labial palpus cream with terminal brown marking, length over 1.5 times diameter of compound eye. Thorax: Dark brown. Forewing length 6.7 mm; forewing weakly expanding terminad; termen not oblique, slightly concave medially; ground colour brownish; some dirty orange spots along termen; weak brown reticulation in posterior third of wing; refractive markings present; remnants of usual dark markings illdefined. Fringe brownish, cream yellowish at median part of termen. Hindwing orange; costal part of wing suffused brownish; apical markings fasciate, blackish; cubito-anal area brown, reticulated with cream and brown at mid-third of median cell, with black and silvery refractive scale patches. Fringe cream grey, with some paler parts. Abdomen: Male genitalia unknown. Female genitalia (Fig. 7) with papilla analis slender; sterigma weakly sclerotized with short anteostial part and dorso-proximal corners; antrum tapering proximally, membranous, with anterior sclerite; ductus bursae slender; ductus seminalis originating near antrum; signum moderate with rather small basal plate and longer blade.

Holotype female. Costa Rica: San José Province: Parque National Chirripó, Llano Bonito, 2500 m, 9°27'16''N, 83°32'41''W, 18 February 2005, K. Nishida; GS USNM 134,114.

Etymology. The name refers to Parque National Chirripó.