DIOPTIS.—ASTYOCHIA. 157 
DIOPTIS. 
Dioptis, Hiibner, Verz. bek. Schmett. p- 174, 
Hyrmina, Walker, Cat. ii. p. 831. 
_ This genus is well represented in our country, but its headquarters appear to be the 
Amazons regions. 
1. Dioptis areolata. 
Hyrmina (Dioptis) areolata, Walk. Cat. ii. p. 332*; Butl. Cist. Ent. ii. p. 116°. 
Epilais melda, Boisd. Lép. Guat. p. 78°. 
Hab. Nicaragua *.—Sovuta America !, ? Ecuador 3, Brazil 1 2. 
2. Dioptis noctiluces. 
Dioptis noctiluces, Butl. Cist. Ent. i. p. 88°; Lep. Exot. p. 176, t. 61. f. 7”. 
Dioptis salvini, Feld. Reise Nov. Lep. t. 105. f. 5°. 
Hyrmina noctiluces, Butl. Cist. Ent. ii. p. 116 *. 
Hab. Costa Rica}, Cartago (Van Patten? 4, mus. D.); Panama (Salvin, mus. Felder®), 
3. Dioptis ithomeina. 
Dioptis ithomeina, Butl. Cist. Ent. i. p. 877; Lep. Exot. p. 175, t. 61. f. 82. 
Dioptis erycinoides, Feld. Reise Nov. Lep. t. 105. fig. 4°. 
Hyrmina ithomeina, But]. Cist. Ent. ii. p. 116+. 
Hab. Costa Rica !, Cartago (Van Patten? +, mus. Brit.); Panama (Salvin, mus. 
Felder *), Volcan de Chiriqui (Arcé, mus. D.). 
This and the preceding species appear to be very rare; I have only seen two or three 
specimens. 
4. Dioptis candelaria, sp. n. (Tab. XIV. fig. 16.) 
Primaries and secondaries dusky hyaline, all the veins black ; the primaries with a whitish band crossing near 
the apex and two white spots close to the anal angle, the costal, outer, and inner margins bordered with 
black ; secondaries broadly bordered with black on the outer margin: head, antennz, thorax, and abdomen 
black above, the latter dusky white beneath; collar orange-red; legs black. Expanse 12 inch. 
Hab. Panama, Rio Candelaria (ibbe, mus. Staudinger). 
One example. This distinct species is allied to D. phelina, Feld., from Bogota. 
5. Dioptis nervosa. 
Dioptis nervosa, H. Edwards, Papilio, iv. p. 15°. 
Hab. Mexico, State of Vera Cruz (Schaus 1). 
ASTYOCHIA, gen. nov. 
‘Head small, palpi very minute; antenne of the male closely pectinated and rather long, of the female simple 
and shorter; thorax and abdomen slender, the abdomen not extending beyond the wings; legs very 
slender and rather long; primaries short and broad; secondaries rather long, always more or less hyaline, 
a slight tuft of hair close to the base on the anal fold in the male, of the female more rounded than those 
of the male. 
