MACROSILA. 189 



Mature Larva. Head yellowish, with two brownish dashes on 

 each side. Body blackish-brown, with a crimson vascular line con- 

 taining anteriorly diamond-shaped blackish-brown patches ; a crim- 

 son sub-dorsal line, and a wavy, yellowish stigmatical line, sending 

 off just above the stigmatse short-curved processes. Horn short, 

 brownish, and white on the sides. {Abbot & Smith.) 



Pupation. Pupa reddish-brown, with a detached cylindrical 

 tongue-case that makes one turn and a half, and is applied to the 

 breast. The larva transformation is subterranean. In Virginia, 

 pupation began October 3d, and the imago appeared May 30th ; 

 in Georgia, it began August 20th, and the imago appeared Sep- 

 tember 11th. {Abbot & Smith.) 



Food-plants. The sweet potato. 



Mexico; West Indies) Texas; Georgia; Virginia; Pennsyl- 

 vania. 



Clemens. 



8. M. Carolina Linn. Figured in Drury, I, pi. 25. 



Head, palpi, and thorax blackish-gray or brownish-gray; thorax 

 grayish on the sides, with short black lines on prothorax, the mid- 

 dle and upper edge of tegular, metathoracic tufts black tipped with 

 bluish, followed by two large black patches. Abdomen blackish- 

 gray, with a double row of dorsal white spots; five nearly round 

 orange-yellow spots on each side, with black bands between and 

 intermediate white spots below. Anterior wings cinereous or 

 brownish-gray, with a white spot at base; angulated, somewhat 

 indistinct, blackish lines crossing the middle of the disk to the 

 basal portion of the inner margin ; discal clot white, with parallel, 

 rather approximated, black lines crossing the middle of the ner- 

 vules, an irregular subterminal black line and marginal whitish 

 line; with a black line hooked below in post-apical interspace, and 

 a short one at tip edged above with whitish and blackish shades 

 toward the base of medio-central aud posterior interspaces. Pos- 

 terior wings gray, with a black spot at base, an oblique black 

 demi-line, a double black central band, and a broad marginal 

 blackish-gray band, having a black band in the middle and edged 

 above with black. Under surface of thorax and abdomen gray, 

 with a reddish-brown tinge. 



Mature Larva. Downy, wrinkled transversely. Head and body 

 dark green, the latter paler on the dorsum, with whitish dots; 



