

LEPIDOPTERA HETEROCERA. 201 



length of the labial palpi, to which they are closely applied. An- 

 tennae stout, densely setulose. Abdomen hardly extending beyond 

 the hind wings. Legs stout, rather short ; femora and tibiae pilose ; 

 fore femora and fore tibiae mostly densely tufted ; hind tibiae with 

 four long spurs. Fore wings elongate, acute, rather broad ; costa 

 straight; exterior border convex, rather oblique. 



This genus has an affinity to the Noctuites. 



1. PHARGA FASCICULELLA. 



Mas. Pallidissime straminea ; alee anticce fusco conspersce, puncto 

 nigro discali interior e, linea obliqua fuscescente postice obso- 

 leta, linea submarginali pallida valde irulistincta, punctis 

 marginalibus nigris ; posticce pallidiores, punctis marginalia 

 busfuscis. 



Male. Very pale straw-colour. Fore wings very minutely 

 brown-speckled ; a black point in front of the interior part of the 

 disk ; a brownish oblique line extending from the tips, obsolete 

 towards the interior border, pale-bordered on the outer side ; a pale 

 very indistinct submarginal line; marginal points black. Hind 

 wings paler ; marginal points brown. Length of the body 7 lines ; 

 of the wings 18 lines. 



a. Venezuela. From Mr. Dyson's collection. 



Genus 29. ARUCHA. 



Mas. Corpus gracile. Fasciculus frontalis productus. Palpi 

 porrecti, lanceolati, elougati, angulati; articulus 3us brevis, gracil- 

 limus. Antennae robustae, glabrae. Abdomen alas posticas sat su- 

 perans ; fasciculus apicalis minimus. Pedes graciles. Alae anticae 

 angustae, acutae, margine exteriore subconvexo perobliquo. 



Male. Body slender. Frontal tuft prominent. Proboscis 

 distinct. Labial palpi porrect, lanceolate, nearly twice longer than 

 the breadth of the head ; second joint hardly ascending ; third joint 

 very slender, inclined downward, about one-fourth of the length of 

 the second, with which it forms a distinct angle. Antennae stout, 

 smooth. Abdomen extending rather beyond the hind wings ; apical 

 tuft very small. Legs smooth, slender ; hind tibiae with four long 

 spurs. Fore wings narrow, acute ; exterior border slightly convex, 

 very oblique. 



