274 LEPIDOPTERA HETEROCERA. 



Group 32. ACHARIA. 



Corpus crassura, pilosum. Alae opacae ; posticae dilatatse. 

 Acharia, H'ubn. Verz, Schmett. 121. 



Body thick, hairy. Wings opaque ; hind wings dilated. Nearly 

 allied to the Bombycidce. 



129. Euchromia Brunnus. 



Rufo-fusca ; alee posticce dilatatce, margine postico undulato. 



Sesia brunneus, Fabr. Ent. Syst. iii. 1, 381, 7. 



Sphinx adscita Brunnus, Cram. Pap. JExot. ii. 147, pi. 147, f. C. 



Acharia Brunnus, Hubn. Verz. Schmett. 124, 1339. 



Surinam. 



Group 33. ORCYNIA. 



Corpus cylindricum, sublineare. Oculi extantes. Palpi verti- 

 cem fere attingentes; articulus 3us minimus, 2o plus quadruplo 

 brevior. Antennae mediocriter pectinatae. Alae perangustae, opacae, 

 immaculatae. Abdomen fusiforme, thorace fere duplo longius. Pedes 

 longi, validi; tibiae posticae calcaribus quatuor elongatis. 



Approaching in structure the seventh group of Glaucopis. 



Body cylindrical, nearly linear. Eyes prominent. Palpi nearly 

 reaching the vertex; third joint very small, not one-fourth of the 

 length of the second. Antennae moderately pectinated, full half the 

 length of the body. Wings very narrow, opaque, unspotted. Abdo- 

 men fusiform, nearly twice the length of the thorax. Legs rather 

 long and stout ; hind tibiae with four rather long spurs. 



130. Euchromia calcarata. 



Nigro-purpurea ; caput flavum, nigro bifasciatum ; palpi subtus 

 Jlavi ; antennce lutece, subpectinatce ; thorax jiavo sexmaculatus ; 

 abdomen fusiforme, dimidio antico fiavo sexmaculato ; alee 

 longce, angustai, purpureo-fuscce P basi et antice lutece ; tarsi 

 anteriores subtus ferruginei, postici apice lutei. 



