LEPIDOPTERA HETEROCERA. 725 



Genus 52. AMERTLA. 



Group 1. 



Mas eifcem. Proboscis longa, corporis dimidio lon<;ior. Palpi 

 ascendentes, longiusculi; articulus 3us sublinearis, 2o duplo brevior 

 vix gTacilior. Antennae simplices, corporis dimidio multo breviores. 

 Abdomen alas posticas longe superans. Pedes longiusculi, fere 

 nudi ; tibiae posticag calcaribus quatuor longis. A he mediocriter 

 latse. 



Body nearly linear and cylindrical. Proboscis not less than 

 half the length of the body. Palpi long, ascending ; third joint 

 more than half the length of the second. Antennae simple in both 

 sexes, much more than half the length of the body. Abdomen ex- 

 tending much beyond the hind wings. Legs long ; posterior tibiae 

 with four very long spurs. Wings long, partly hyaline or semi- 

 hyaline. Fore wings slightly pointed ; three superior veins ; discal 

 fold distinct ; first, second and third inferior veins near together at 

 the base; third more than thrice further from the fourth than from 

 the first. Hind wings slightly convex in front ; first and second 

 inferior veins contiguous at the base ; third more than four times 

 further from the fourth than from the second. 



A. Thorax posticus nigro maculatus. 



A. Thorax rufo fasciatus. - Astrara, Drury. 



B. Thorax rufo non fasciatus. - mauritia, Cram. 



B. Thorax posticus nigro non maculatus. - Melanthus, Cram. 



1. AMERILA ASTR^EA. 



Var. Thorax murinus, punctis nigris; abdomen supra rufum 

 (var. albido- cintreum, basi anoque svpra rubellis), subtus fla- 

 vidum, lateribus punctis nigris ; palpi rufi, apice nigri ; pedes 

 subcinerei, intus rufi ; ala antiea albido murina, mbdia- 

 phanm, costa, macula media apiceque fuscis, bast punctis duo- 

 bus nigris ; postiea albido submurina?, subdiaphance. 



Sphinx Astreas, Drury, Ins. ii. pi. 28, f. 4. 



Noctua Astrea, Fabr. Sp. Ins. ii. 213, 21 ; Mant. Ins. ii. 137, 2(5; 



Ent. Syst. iii. 2, 19, 35. Grnel. ed. Syst. Nat. i. 5, 2531, o\VJ. 

 Glaucopis? Astrea, Westw. Ed. Drury, ii. pi. 28, f. 4. 

 Chelonia saucia, Boisd. Voy. I' Astrolabe, Ent. i. 214. 

 Lithosia Arthus Bertrand, Guer. Voy, Duperrey, Atlas, Ins. pi. 19, 



f. 5. 

 Chelonia Astraea, Guer. Voy. Duperrey, Texte, 284. 



