LEPIDOPTERA HETEROCERA. 1457 



I. GyPSOCHROA RENITIDATA. 



Argenteo-alba ; alee lituris nullis. 



Geometra renitidata, Hubn. Geom. f. 485. 



Gypsochroa renitidata, Hubn. Verz. Schm. 337, 3246. Eversm. 



Faun. Volq.-Ural 435. Herr.-Sch. Eur. Schm. iii. 33, 95, 



pi. 38, f. 236. Guen. Phal. ii. 513, 1750. 

 Siona renitidata, Bond. Ind. 228, 1922. 



South Russia. 



a, b. Europe. From M. Becker's collection. 



Genus 5. HETEROPHLEPS. 



Corpus gracile. Frons lata, convexa. Palpi graciles, squa- 

 mosi, disjuncti, frontem non superantes ; articuli sat distincti. 

 Antennas maris ciliis fasciculatis. Tibiae posticae quadricalcarata?. 

 Alae anticae latae, acutae, margine exteriore subflexo; posticae re- 

 tracts, angulo exteriore angulato. 



Heterophleps, Herr.-Sch. Exot. Schm.; Guen. Phal. ii. 513. 



Body slender. Front broad, rounded. Palpi slender, squamous, 

 apart from each other, not extending beyond the front; joints 

 rather distinct. Antennae of the male with fasciculated ciliae. 

 Hind tibiae with four spurs. Fore wings broad, acute ; exterior 

 border convex in the middle ; interior border short. Hind wings 

 retracted, with an angle on the exterior border. 



1. Heterophleps triguttaria. 



Var. Pallide ochraceo-Jlava ; frons subfuscescens ; alee antica? 

 maculis tribus costalibus nigro-fuscis, la 2aque trigonis, 

 3a punctiformi. 



Heterophleps triguttaria, Herr.-Sch. Exot. Schm. pi. 41, f. 202. 

 Guen. Phal. ii. 514, 1751. 



Pennsylvania. 



2. Heterophleps atrosignata. 



Fcera. Albido-cinerea ; palpi breves, sat graciles, articulo 3o 

 minimo ; antenna maris vix serratce ; alee latiusculce, nigro 

 subconspersce, lunulis marginalibus nigris ; anticce apice 

 rotundatce, strigis quatuor costalibus nigris, 2a elongata, 

 margine exteriore recto. 



