852 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. xxvii. 



MAMESTRA INGRAVIS Smith. 



One .specimen, July 25, and one from Mr. Cockle \s collection, May 

 2. The species varies in the width and distinctness of the submarginal 

 pale lilac shading-. 



MAMESTRA ADJUNCTA Boisduval. 



Two specimens, Jmie 25, July 10. 



J^gg. — Laid in a large irregular patch. Two-thirds spherical, the 

 base flattened; ribs about 56 around the margin, diminishing by con- 

 fluence, pitted-waved; cross-striae nearly obsolete; vertex above the ribs 

 reticulate; micropyle raised. Pale yellow; diameter, 0.6 mm. 



MAMESTRA TACOMA Strecker. 



Two specimen , June 3, July 22. This species Avas determined for 

 Mr. Cockle by Professor Smith and seems to be correctly so, as the 

 specimens agree with Strecker's description. The form was pre- 

 viously unknown to me. 



^'gg. — Laid in a large mass, adherent. Spheroidal, the l)ase well 

 rounded, the top roughened l)y the ends of the liljs; ribs aljout 25, 

 broad, narrow at the tip, decreasing toward the vertex which is reti- 

 culate; cross-striae distinct, about as high as the ribs, forming nearly 

 quadrangular cells. Pale yellow, later with brownish dotted ring and 

 spot; width, 0.8 nun, height, O.O mm. 



Stage I. — Head rounded, bilobed, long, pale l)rown, slightly 

 streaked, the sutures darker. Body slender, cylindrical, normal, joint 

 12 a little enlarged, semilooping, the feet of joints 7 and 8 smaller. 

 Translucent yellowish, the food green; tubercles small, neatly black; 

 shields of the abdominal feet blackish. Cervical shield reduced, 

 luteous; no marks. 



Stage IT. — Head luteous, faintly brownish reticulate and with curved 

 lines each side of the clypeus; eye black, mouth brown; width, 0.6 

 mm. Body normal, uniform, joint 12 enlarged, the feet of joints 7 

 and 8 short. Pale green, striped with olivaceous blackish; a broad 

 dorsal line, two narrower lateral ones and broad subventral one, leav- 

 ing a subdorsal, lateral and broad stigmatal pale green lines. Feet 

 pale; tubercle dots black in pale areas; setse short, dark; no shields. 



Stage ITl. — Head shining pale green, vertex a little smok}", eyes 

 black; width, 1 mm. Body pale green with broad, straight stripes of 

 velvety green, subdorsal, lateral, suprastigmatal, subventral, the sub- 

 dorsal broad and darker at its edges. Shields concolorous, lined, but 

 the green is more olivaceous on them. Tubercles pale; hair dots and 

 sets© black; small. 



Stage IV. — Head shining green, the vertex more whitish and faintl}^ 

 dusky reticulate, ocelli black; width, 1.7 mm. Markings as before, 



