314 LEPIDOPTERA HETEROCERA. 



as usual by the tips of the fove wings. Distinguished from the 

 female by the band which is broader and paler, and quite straight. 

 Length of the body 7 lines ; of the wings 20 lines. 



a. Amazon River. From Mr. Bates' collection. 



Group 13. CENTRONIA. 



Mas. Corpus cylindricum, sublineare, sat validum, longitudine 

 mediocre. Palpi ascendentes, arcuati, capitis longitudine; articu- 

 lus 3us minimus, 2i octava parte brevior. Antennae mediocriter 

 pectinatae, apice serratae. Abdomen Ion gi-subfusi forme ; latera 

 basim versus fasciculata. Pedes sat graciles ; tibiae anticae non 

 dentatae ; posticae calcaribus quatuor abbreviatis. Ala3 longiusculae, 

 sat latae ; anticae subacuminatae. 



Centronia p., H'dbn. Verz. Schmett. 122. 



Male. Body cylindrical, rather stout, nearly linear, moderately 

 long. Palpi ascending, curved, as long as the head ; third joint 

 very minute, less than one-eighth of the length of the second. An- 

 tennae moderately pectinated to four-fifths of the length, serrated 

 from thence to the tips. Abdomen elongate-subfusiform, with a 

 tuft of hairs on each side near the base, extending for one-fourth of 

 its length beyond the hind wings. Legs rather slender ; fore tibiae 

 not dentated ; hind tibiae with four short spurs. Wings rather 

 long, moderately broad; fore wings more pointed than in the other 

 groups of this genus. 



41. Josia Melanitis. 



Atra; palpi pedesque subtus albo vittati ; abdomen subtus vittis 

 quatuor macularibus albis ; alee subtus basi cyanescentes, 

 antic ce fascia lata subobliqua lutea, apice albo ciliatce ; abdo- 

 minis latera basim versus albo maculata et ciliata. 



Zygaena Ervnnis ? Fabr. Sp. Ins. ii. 164, 38; Mant. Ins. ii. 106, 



46; Ent. Syst. iii. 1, 400, 48. 

 Sphinx Zygaena Erynnis, Gmel. ed. Syst. Nat. i. 5, 2397, 141. 



Surinam. 



Centronia rejecta ? (Sphinx papilionoides, Glaucopis ampla), Geyer, 



Samml. Exot. Schmett. 18, 332, f. 663, 664. 

 Centronia Melanitis, Hubn. Verz. Schmett. 122, 1326; SammL 



Exot. Schmett. 19, 47, f. 93, 94. 



