W. D. KEARFOTT. 31 



Uiiilerside forewing: smoky fuscous, wliitish on costa, dotted with brown, white 

 below fold. 



One specimei], Pueblo, Colo., H. W. Nash. 



Eiicosma popana sp. nov. 



Expanse 15-18.5 nun. 



Head, palpi and thorax white, dotted with black ; a spot of black on upper side 

 towards base and outside towards apex of second joint of palpi ; antenna whitish ; 

 abdomen whitish, anal tuft cinereous ; leg:s pale gray, dusted with brown. 



Forewing: white, with fascia and spots of blackish-brown. An oblique fascia 

 from inner third of dorsum to middle of wing, between it and base several wavy 

 lines from dorsum to middle. At anal angle a triangular spot with its apex above 

 middle. An oblique shade below costa to middle, over end of cell ; a spur from 

 its outer end joins another shade which runs below costal marks and into apex. 

 Before apex, in outer half, are four triangular costal spots, on inner half of costa 

 numerous small dots. The dark spots are all of blackish scales tippped with 

 white; giving them a speckled appearance. Ocellic spot shining cream color, 

 divided by a narrow brown vertical line, from its upper edge a narrow white line 

 follows termen to apex. Cilia speckled white and black. 



Hindwing: pale fuscous, darker at apex, cilia paler, underside the same. 



Underside forewiiig: darker fuscous, whitish on costa, with dark costal marks 

 repeated. 



Twenty-seven specimens; Stockton, Utah, June 1st to Aug. 8th ; 

 collected by Tom Spalding. 



Eucosma rorana sp. nov. 



Expanse 15-20 mm. 



Head: clay-yellow, a streak of light brown across the middle; palpi clay-yel- 

 low, a spot of fuscous above on outside of tuft and at end of tuft below, apical 

 joint fuscous; antenna whitish ; thorax white, mottled with light brown ; abdo- 

 men fuscous, anal tuft clay-yellow; legs whitish, dusted and banded with black. 



Forewing: white, with bands and spots of blackish-brown. The extreme base 

 is white, strigulated with brown, merging into dark brown at its outer edge, 

 which is obsolete on costa, extends nearly to inner third at middle in the form of 

 a rounded spot, and to inner fouith on dorsum as another spot, the two being 

 separated by a pale shade. There is a well-defined dark fascia from midddle of 

 costa to dorsum before angle, it is deeply indented, by the intervening white 

 fascia, on its inner edge a tiiird above dorsum. Beyond it is the ocellic spot which 

 is a well-defined rectangle of shining cream-white scales, divided by a dark ver- 

 tical line and two black lines above. Costa before middle is marked with short 

 dashes of brown and white; beyond middle, with four geminate oblique wnite 

 lines on brown ground, the inner pair of lines end under the beginning of a 

 third pair, the second and third pair unite and end under the fourth pair, ("ilia 

 speckled brown on white. 



Hindwing: smoky fuscous, cilia paler, beneath the same but a spade paler. 



Underside forewing: darker smoky fuscous, costal marks repeated. 



Six specimens ; Stockton, Utah, June 29th to July 3d ; Tom 

 Spalding. 



TRANS. AM. ENT. SOC. XXXIII. FEBKUAEY, 1907. 



