60 INSECUTOR INSCITI^ MEJNSTRUUS 



Labium and Maxillae normal. 



Maxillula with well developed, spined lobes. 



Body setcB^ normal ; prothoracic iib as far caudad of iia as 

 iia is of ia, ia and iia on a level, ib and ic closer together than 

 either of them are to iic, iv almost directly under V, punctures 

 X and Y closely approximate to setae ia, x dorsal of y and y 

 cauded of ia, Z almost directly dorsal of ib ; on third abdominal 

 segment i and ii are on a line, iii directly over the spiracle, iiia 

 absent, iv caudad to and very slightly lower than v, iv directly 

 in line with iii and the spiracle, group vii triangularly placed; 

 abdominal segment 8 has ii slightly higher than i, and setae ii 

 closer together than on any of the other segments, iii directly 

 over spiracle, iv directly caudad of v, vi on a line with spiracle 

 and iii, vii bisetose ; abdominal segment 9 with i, ii, and iii tri- 

 angularly grouped and nearly equidistant, iv, v, and vi closely 

 approximate to each other, iv directly caudad of v, and vi under 

 iv, vii bisetose. 



Crochets of abdominal prolegs in a complete circle, triordinal, 

 smallest crochets not more than one-fourth as long as longest. 



Spiracles circular in outline ; those on prothoracie^ and eighth 

 abdominal segments not more than twice the size of the others. 



The tubercles of seta iib on the mesothorax and of iii on the 

 eighth abdominal segment are larger than any of the others on 

 the body and more heavily chitinized. This, however, is very 

 possibly a specific character. 



A NEW NOCTUID FROM BRAZIL 



(Lepidoptera, Noctuidce, Acronyctirue) 



By HARRISON G. DYAR 

 Oxythaphora, new genus. 



Fore wing with veins 2 and 3 from the cell, 4 and 5 shortly 

 stalked, 6 from the apex of the cell, 7 to 10 stalked, no areole, 

 11 on the cell. Hind wing with vein 2 from the cell, 3 and 4 



'The Dyar system of numbering is applied without prejudice to all body setae as 

 the most convenient and practical for systematic purposes. No homology be- 

 tween thoracic and abdominal setae is attempted. 



