NO. 2239. NEW LEPIDOPTERA FROM MEXICO— DYAR. 341 



Family ARCTIIDAE. 

 Genus PERICALLIA Hubner. 



PERICALLIA PANNYCHA, new species. 



Fore wing slaty black; hind wing deep blue-black. Body blue- 

 black, some crimson scales as bases of tegulae and behind the eyes. 

 Expanse, 41 mm. 



ry;?^.— Female, Cat. No. 21220, U.S.N.M.; Mexico (R. Miiller). 



A specimen without exact locality. 



With hodeva Druce, this represents the large old world genus 

 Pericallia; but they are not in the least like them in appearance. 



Family AGARISTIDAE. 

 MELANCHROIOPSIS, new genus. 



Fore wing with vein 2 arising beyond two-thirds of the cell, 3-5 

 near its end, 6 from the upper angle, 7-10 stalked from the end of 

 accessory cell, 11 on accessory cell. Hind wing with vein 2 before 

 end of cell, Z-A at the end, 5 from middle of cross vein, 6-7 at apex 

 of cell, 8 anastomosing very shortly near base. 



Type of the genus. — M elanchroiopsis acroleuca^ new species. 



MELANCHROIOPSIS ACROLEUCA, new species. 



Black; pectus, long hairs on second joint of palpi, border about 

 front, occiput, border to tegulae and tip of abdomen orange-brown; 

 fore wing bluish black, the veins slaty black; apex white. Hind 

 wing blue-black with white fringe. Beneath, a whitish ray on sub- 

 median fold of fore wing and on submedian and discal folds of hind 

 wing. Expanse, 45 mm. 



Type.— Male, Cat. No. 21221, U.S.N.M.; Sierra de Guerrero, Mex- 

 ico, June, 1915 (R. Miiller). 



Family NOCTUIDAE. 

 Subfamily Agrotinae. 



Genus MESEMBREUXOA Hampson. 



MESEMBREUXOA MELANOPIS. new species. 



Head, thorax, and fore wing soft light gray ; marks slender, black- 

 ish; inner line slight, coarsely wavy; claviform narrow, touching 

 the .inner line, neatly outlined; orbicular an ellipse with central 

 black dot; reniform very large, elliptical, excavate without, with 

 black lunate central line and some dark suffusion in lower part; 

 outer line crenulate-dentate, with black and whitish points on the 

 veins; no subterminal line; a terminal black line, broken on the 



