LEPTDOPTERA HETEROCERA. 377 



Africa. 

 10. Chersotis separata. 



Rufo-fusca ; fronds fasciculus et thorax anticenigri, lineis media- 

 nis parallelis valde remotis e lunulis nigricantibus, striga 

 discali interrupta atra flavescente lineato, claviformi nulla, 

 orbiculari et reniformi subcequalibus non marginatis, ciliis 

 fiavo lineatis ; posticce sordide alba?, venis margineque subfus- 

 cescentibus. 



Agrotis separata, Guen. Noct. i. 313, 521. 



Abyssinia, 



Genus S. OPIGENA. 



Corpus robustum. Proboscis mediocriter longa. Palpi validi, 

 porrecti, pilosi ; articulus 3us conicus, brevissimus. Antennae sim- 

 plices, corporis dimidio multo longiores. Abdomen alas posticas 

 perpaullo superans. Pedes validi ; tibiae anticae breves ; posticas 

 calcaribus quatuor longis. Alae mediocriter lata?; anticee apud 

 costam rectae, apice roiundatae, margine exteriore subconvexo vix 

 obliquo. 



Opigena, Boiscl. Ind. Meth. 103. 

 Noctua, p., Treit. 

 Agrotis, p., Guen. Noct. i. 313. 

 Metaxya, p., Hubn. Verz. Schmett. 223. 



Body stout. Proboscis moderately long. Palpi stout, porrect, 

 pilose ; third joint conical, not more than one-fourth of the length 

 of the second. Antennae simple in both sexes, much more than half 

 the length of the body. Abdomen extending very little beyond the 

 hind wings. Legs stout ; fore tibiae short ; hind tibiae with four long 

 spurs. Wings moderately broad. Fore wings straight in front, 

 rounded at the tips, slightly convex and hardly oblique along the 

 exterior border. 



1. Opigena polygona. 



Cervina ; thorax fusco fasciatus et bivittatus, fasciculis duobus 

 posticis albidis ; abdomen cinereo-albidum ; ala anticee basi 

 plaga discali liturisque costalibus nigro-fuscis, lineis transver- 

 sis undulatis nigris, ocellis duobus nigro marginatis, fasciis 

 duabus exterioribus ferrugineis ; postica? albida? marginibus 

 subcinereis, 



2 k 3 



