SPECIES GENUS PROEULIA — OBRAZTSOV 189 



Proeulia triquetra, new species 



Plate 5 



Antenna more or less dark brown. Labial palpus ocherous, more 

 or less strongly mixed with brown, dark brown, somewhat ferruginous 

 brown, or gray brown, occasionally with slight grayish suffusion; on 

 inside pale ocherous, at least at base. Head and thorax brownish 

 ocherous, hazel brown, mahogany brown, or ferruginous brown, 

 often somewhat grayish suffused; posterior scale tuft occasionally 

 more intensively colored. Abdomen fuscous with occasional touch 

 of pale gra3dsh or ocherous; ventral surface usually somewhat paler, 

 occasionally grayish ocherous. Legs hazel grayish, on inside pale 

 ocherous. Fore wing brownish ocherous, testaceous, bay, or of some 

 approximate shade, with more or less distinct, brown reticulation; 

 dorsum with a paler, whitish-ocherous, longitudinal streak slightly 

 suffused with brownish ocherous, testaceous, or bay; it originates at 

 wing base and is dilated into a large triangle before tornus; upper 

 margin of this streak is outlined by a narrow, white line, occasionally 

 missing in some places, but constant at inner side of dorsal triangle 

 and acompanied there by a more or less distinct, brownish-ocherous 

 to dark-gray line (or merely a shadow) from inside of triangle; 

 occasionally dorsal streak and its triangle are strongly darkened, and 

 indicated only by above-mentioned white Une along their upper 

 margins; area, bordering dorsal streak and reaching discal cell, 

 usually darker than adjacent ground; a brownish or blackish more 

 or less distinct line originating at middle of costa, directed to, or to 

 slightly below, apex of dorsal triangle, then turning toward wing 

 apex; external portion of this line occasionally dilated, outlining 

 poorly defined costal triangle before wing apex; some occasional, 

 minute, blackish strigulae perpendicular to costa and/or dorsum; 

 cilia concolorous with wing ground, occasionally dark grayish checked, 

 or darker tornad, rarel}^ paler at tips; underside of forewing dark 

 brownish gray, at margins brownish ocherous or testaceous ; occasion- 

 ally entire central area somewhat lightened, grayish testaceous. 

 Length of forewing 9-11 mm. Hindwing hazel grayish to lead gray; 

 cilia concolorous or slightly paler, with a fine, more or less dark 

 gray line. 



Male genitalia: Uncus rather long; socii strongly dilated and 

 rounded. Fultura superior rather broad; fultura inferior moderately 

 high. Valva elongate, directed obliquely upward; sacculus broad, 

 short, not free pointed. Aedeagus thickened; three long cornuti, 

 and a separate group of 11-12 very short ones. 



Female genitalia : Lamella antevaginalis bandlike, narrowed lateral- 

 ly; lamella postvaginalis weakly sclerotized. Antrum wide and short. 



