LEPIDOPTERA HETEROCERA. 1333 



keeled, slightly crested, quadrate at the tip. Legs rather thick ; fore 

 tibiae half the length of the femora ; hind tibiae with robust approx- 

 imate spurs. Fore wings elongate, acute, with numerous lines. 

 Hind wings irregularly dentate, more or less marked like the fore 

 wings. 



1. PHIBALAPTERYX TERSATA. 



Ferrugineo-cervina ; al& Uriels plurimis subundulatis aut denticu- 

 latis fasciaque media interlineata nigro-fuscis, lunulis margin- 

 alibus nigris ; anticce acuta?, puncto discali nigro ; posticcB 

 margine exteriore dentato. 



Geometra tersata, Wien. Verz. 109, 14, ///. N. Ausg. dess. i. 437, 



14. Hubn. Geom. pi. 52, f. 268. Haw. Lep. Brit. 339. 

 Acidalia tersata, Treit. Schm. vi. 2, 62,44. Dup. Lep. v. 387, pi. 



197, f. 1,2. 

 Horisme tersata, Hubn. Verz. Schm. 331, 3191. 

 Phibalantervx tersata, Steph. III. Brit. Haust. iii. 256, 1. Guen. 



Ph'al. i'i. 432, 1606. 

 Larentia tersata, Boisd. hid. 206, 1652. Herr.-Sch. Eur. Schm. 



iii. 174, 198. Delah. Schm. 314. 



a — /. England. From Mr. Stephens' collection. 

 g, h. England. From Mr. Stevens' collection. 

 i — k. England. 



2. Phibalapteryx tetricata. 



P. tersatse affinis, cinerascens, non flavescens ; ala lineis pluriori- 

 bus confusis, interiore duplicata, exteriore vix determinata 

 nigro non umbrata, linea adhuc exteriore duplicata valde 

 flexa. 



Phibalapteryx tetricata, Guen. Phal. ii. 433, 1607. 



Altai. 



3. Phibalapteryx testaceata. 



Cervina; alaz puncto discali rnaculisque submarginalibus atris ; 

 anticat lineis nonnullis suturatioribus et nigricantibus, linea 

 exteriore strigaque apicali obliqua atris; posticce minus 

 lineaia?, basi cinerea?. 



Geometra testaceata, Hubn. Geom. f. 338. 

 Coenocalpe testaceata, Hubn. Verz. Schm. 330, 3190. 

 Puibalapieryx testaceata, Guen. Phal. ii. 433, 1607. 



Switzerland. 



F 3 



