MACROSILA. 18Y 



5. M. rustica Cram. IV, 21, pi. 301. AcJierontia chionanthi Hubiier. 



Figured in Sulz. pi. 20. Cram. pi. 301. Sm. Abb. pi. 34. 



Head and ends of palpi blackish-brown, with a short white dash 

 on the vertex, and white spots at the base of the antenna ; palpi 

 beneath white. Thorax blackish with white spots on the disk, and 

 tegula? at the base of anterior wings. Abdomen blackish-brown, 

 with a narrow blackish dorsal line, and three round orange-yellow 

 spots margined with black on each side, and two rows of dorsal 

 white spots. The under surface of the thorax and abdomen is 

 white. Anterior wings blackish-brown, or ferruginous brown, 

 when faded, mottled with white ; a few white spots at the base ; 

 the middle of disk crossed by two black lines and a brown one, 

 which is margined on both sides with white, with serrated black 

 lines traversing the nervules, margined broadly behind with 

 brownish-white ; discal spot white, an irregular sub-terminal 

 blackish line, with white marginal spots and a short, oblique, api- 

 cal streak, edged above with white ; cilite white spotted. Poste- 

 rior wings blackish, costa and disk yellowish, with a white spot 

 near the base, and one above the inner angle crossed by black 

 lines. 



Mature Larva. Head and body dark-green, the latter becom- 

 ing yellowish on the dorsum and sides, with faint greenish lines ; 

 thoracic rings with wavy, reddish dorsal lines. Seven oblique 

 lateral blue bands edged with purple, and beneath this a white band 

 colored yellowish on its lower part. Horn yellow, with reddish 

 tubercles. (Abbot & Smith.) 



Pupation. Enters the ground to transform. Pupa dark red- 

 dish-brown, with long detached tongue-case applied to the breast 

 by its point. It becomes a pupa in Georgia in July. 



Food-plants. The fringe tree. 



S. America ; Mexico ; West Indies ; Texas ; Georgia ; Vir- 

 ginia. 



Clemens. 



6. M. instita Clemens. 



Head and palpi blackish-brown. Thorax concolorous, rather 

 rusty brown, with a small metathoracic black tuft. Abdomen 

 black, with dispersed bluish scales along the dorsum, with the 

 basal segment banded with brown, and three large orange yellow 

 spots on the sides of the basal segments ; beneath and between 



