236 U.S. NATIONAL MUSEUM BULLETIN 257 



Material examined: Luzon, Atimoan ("Antimouan"), Icf, genit. 

 slide "A.B. Febr. 18, 1927," "Aug. 1925"; "San Miguel," 1 c?", "March 

 30, 1916" (B.P. Clark, donor). 2c^ (USNM). 



The original material described by Sauber was kindly sent to me for 

 study. It consisted of the following specimens: 1 cf , lectotype, hereby 

 selected, labelled: "882," "Coll. C. Semper," "Teinoptila Interruptella 

 Sauber nov. spec," "Cotypus," and my lectotype label, genit. slide 

 5766. Four original syntypes, with the same labels, except the 

 name label, 19, genit. slide 5771; 1 cf without abdomen, "926" and 

 19. The species may be redescribed as follows. 



Male, 20 mm. Head white, two black spots behind the bases of 

 antennae, connected by a transverse band across vertex. Antenna 

 black, apical third except the top glossy w^hite. Palpus black mth a 

 moderate median white ring. Thorax fuscous black, patagium later- 

 ally white, tegula white-edged, mesothorax vnth white lateral streaks, 

 their posterior ends interconnected by a transverse subapical white 

 line. Abdomen black, venter with broad white bands along posterior 

 edges of segments, dilated mesially, valva with a white edge. Legs 

 black, white-ringed, posterior leg with white spurs. 



Forewing elongate, ovate-lanceolate, narrow, costa moderately 

 curved at extremities, straight in middle, apex obtusely pointed, 

 termen rounded, Httle oblique. Purplish black, dull, markings white. 

 A slender angulate mark below base of costa; a faint transverse-oval, 

 slightly outwards-oblique small mark on dorsum beyond base; two 

 elongate marks in fold, anterior large, its upper edge with two semi- 

 circular excisions, lower also with two excisions; second mark smaller, 

 semioval, only upper edge with one excision; a submedian transverse 

 spot above tornus. Cilia black. 



Hindwing black, costa white, center of wing thinly scaled and 

 semipellucent. Cilia dark grey with a black subbasal band and a 

 pale basal line. 



Male genitalia: Eighth abdominal segment strongly modified, 

 forming two lateral valvae (pseudovalvae) enclosing the veritable 

 valvae. Seventh segment with posterior edge also modified, sup- 

 porting the pseudovalvae and dorsally forming an articulation for 

 them. Tegumen narrow, together with vinculum sclerotized and 

 forming a rostrocaudally curved piece (therefore not possible to 

 flatten in mount), top short bicuspidate. Uncus double, arms 

 slightly curved and rising. Tuba analis slender, rigid, rising between 

 uncus arms. Gnathos well developed, sclerotized, with broad arms 

 and a short bifid finely scobinate hook in which fits the aedeagus. 

 Valva broad, oval- truncate, with sclerotized margins; the valva 

 densely covered externally with cylindrical modified scales (removed) 

 and a transverse subbasal series of very long modified hair-scales, 



