20 HETEROCERA. 
6. Dilophonota caicus. 
Sphing caicus, Cr. Pap. Ex. ii. t. 125. f. F*. 
Ancerya caicus, Walk. Cat. vill. p. 228°. | 
Hab. Honpuras?; Panama, Chiriqui (Arcé, mus. D.).—AntiLLEs, San Domingo ?; 
Ecuapor (mus. D.); Guiana, Surinam ?. 
I have only seen a single specimen from Central America. 
MACROSILA. 
Macrosila, Walker, Cat. viii. p. 198 (1856). 
Mr. Butler restricts this genus to two species, one of which occurs in our district. 
1. Macrosila incisa. 
Macrosila incisa, Walk. Cat. viii. p. 205;'. 
Hab. Panama, Chiriqui (Arcé, mus. D.).—Braziu, Rio }. 
My example from Chiriqui is paler than the Brazilian specimens. | 
PROTOPARCE. 
Protoparce, Burmeister, Abhandl. naturf. Gesellsch. Halle, p. 63 (1855). 
In this genus Mr. Butler places twenty-three species. It is closely allied to 
Macrosila, the chief difference being the much wider anterior wings. 
1. Protoparce rustica. 
Sphine rustica, Fabr. Syst. Ent. p. 540°; Cr. Pap. Ex. iv. t. 301. f. A’. 
Macrosila rustica, Walk. Cat. vill. p. 199°. 
Sphinx chionanthi, Smith & Abbot, Lep. Ins. Georg. i. t. 34°. 
Hab. Norta America *.—Mexico %, Mazatlan (Forrer); British Honpvuras, Belize 
(Blancaneaux); Guatemata (F. D. G. & O. S.); Nicaracua, Chontales (Belt); Panama, 
Chiriqui (Arcé, mus. D.).—ANTILLES, San Domingo ®, Trinidad (mus. D.); HEcouapor 
(mus. D.); Gutana, Surinam ?, Brazil ’. 
- The larva of P. rustica is described and well figured in Smith and Abbot’s work on 
the insects of Georgia. 
2. Protoparce ochus, 
Sphinz ochus, Klug, Neue Schm. Heft i. t. 3. f. 2. 
Macrosila instita, Clemens, Journ. Ac. Phil. 1859, p. 1647. 
Hab. Mzxico!, Cordova (Riimelt), Jalapa (Hoge); Honpuras?; Guatema.a, San Isidro 
(Champion); Costa Rica, Irazu (Rogers). 
- This fine species is quite unlike any other. It is best placed with the P. carolina 
group. I have never seen a specimen from any locality south of Costa Rica. 
