﻿NORTH AMERICAN SPHINGID^l. 163 



55. M. Cluentius.— Sphinx Cluentius Cramer, I. 124, pi. 78, f. B.; II. 43, pi. 21, f. A. Phlegethon- 

 tius Cluentius Hiibn. Verz. Schmett. 140, 1500. Macrosila Cluentius Walker, p. 200. 



G-rayish black, testaceous beneath ; antennas testaceous. Thorax fawn-color on the sides. Abdomen 

 black, with a broad cinereous stripe and several luteous spots on the sides. Anterior wings with numerous 

 black spots or marks on the costa and inner margin, and semi-circular black marks on the ends of the 

 nervules, with a subapical streak and stripe behind, fawn-color. Posterior wings black, with an interrupted 

 median stripe and the interior margin luteous. 



Egg. ? 



Young Larva. f 



Mature Larva. ? 



Pupation. f 



Food-plants. ? 



Geographical distribution. — South America, West Indies. 



56. M. Eustica, Merian, Ins. Burin, pi. 5. Sulz. Hist. Ins. pi. 20, f. 2. Sphinx rustica 



Cramer, IV. 21, pi. 301, f. A. Fair. Sp. Ins. II. 145, 28 ; Mant. Ins. II. 95, 31; Ent. Syst. III. 



1, 366, 33 ; Gmel. Syst. Nat. I. 5, 2385, 93 ; Anon. Ins. Su?4n. 225, pi. 101. Acherontia Chionanthi 



Eubn. V. S. 139, 1495. Sphinx Chionanthi Abbot & Smith, I. 67, pi. 34; Duncan, Nat. Libr. 36, 



100, pi. 5, f. 2 ; pi. 6, f. 2. Cocytius rustica Hub. E. S., Lep. III., Leg. IV., Aland. A., Pond. 2, 



f. 1, 2 ; V. S. 140, 1498. M. rustica Walker, p. 199. 



Head and ends of palpi blackish brown, with a short white dash on the vertex and white spots at the 



base of the antennas ; palpi beneath white. Thorax blackish with white spots on the disc and tegulse 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 disc 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, apical streak edged above with white ; cilise 



white spotted. Posterior wings blackish, costa and disc yellowish, with a white spot near the base and one 



above the inner angle crossed by black lines. 



From the Smithsonian Institution. Capt. Pope's collection. 



Egg. ? 



Young Larva. ? 



Mature Larva. — Head and body dark green, the latter becoming 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 reddish 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. 



Geographical distribution. — S. America, Mexico, West Indies, Texas, Georgia, Virginia. 







Measurements — a Female. 









HEAD. 



THORAX. ABDOMEN. 



BODY. 



ANT. WING, 



Length. 



Breadth. 



Length. Breadth. Length. Breadth. 



Length. 



Length. 



3-50 



4-00—2-50 



7-00 6-00 1600 6-50 



24-00 



3000 



