206 INSECUTOR INSCITI^ MENSTRUUS 



subterminal with an elongate spot on costa, a point above vein 7, 

 a larger spot below 7, and a small spot below 6, a point below 

 5 and one below 4; a larger spot below 3, and a line from 

 vein 2 to inner margin ; terminal black lines across veins fol- 

 lowed by black spots on the yellow green cilia. Hind wings 

 fuscous brown ; a fine darker terminal line ; cilia gray tipped 

 with white. Fore wings below white slightly suffused with 

 gray ; costa yellowish with five small fuscous spots ; a large 

 triangular fuscous shade at apex below costa ; cilia white tipped 

 with green and with dark spots at veins. Hind wings below 

 white thickly irrorated with mouse gray ; traces of a finely den- 

 tate postmedial line, a broader subterminal shade, and a ter- 

 minal dark line ; cilia grayish white. 



Expanse, 33 mm. 



Habitat. — Volcan Santa Maria, Guatemala. 



Type.— Cat. No. 25627, U. S. Nat. Mus. 



Nearest R. fassli Dognin. 



Hydriomena bonitusa, new species. 



Male. — Palpi and head silvery steel black. Neck and thorax 

 light green ; collar and a transverse line on thorax medially steel 

 black. Abdomen above steel black with transverse greenish 

 white segmental spots, underneath gray. Fore wings light 

 yellow green with darker suffusing striae from middle of wing 

 to termen, the markings chiefly fuscous edged with black ; a 

 basal fascia ; subbasal small spots on costa, median vein, and 

 inner margin ; an antemedial spot on costa and irregular fascia 

 from within cell to inner margin ; a medial spot on costa with 

 a fine line from it, interrupted, touching antemedial in cell and 

 from vein 2 to inner margin ; a triangular postmedial spot on 

 costa, broken, fine, forming oblique streaks across veins 3 and 

 4, a short streak on 2, below it punctiform, linear; a streak 

 from postmedial above vein 5 suffusing with a broad sub- 

 terminal line from costa, obsolete from vein 5 to vein 3, then 

 sinuous to inner margin ; a spot on costa at apex ; a terminal 

 black line expanding at veins ; cilia white with black spots at 

 veins. Hind wings silvery gray, also the cilia. Wings below 



