LEPIDOFTERA HETEEOCERA. 289 



Genus 10. DIAMUNA. 



Mas. Corpus crassum. Fasciculus frontalis productus. Palpi 

 validi, subascendentes, caput sat superantes ; articulus 3us longus, 

 cylindricus ; antennae late pectinatae, apice nudae. Pectus dense 

 lanuginosum. Abdomen latum, lineare, apice quadratum. Pedes 

 sat graciles ; femora lanuginosa ; tibiae posticae calcaribus duobus 

 parvis. Alae amplae, fimbria brevissima ; antieae falcatae, costa recta, 

 margine exteriore convexo valde obliquo ; posticae angulo interiore 

 rotundato, margine interiore dense fimbriate 



Male. Body thick. Frontal tuft prominent. Proboscis ro- 

 bust. Palpi stout, slightly ascending, extending somewhat beyond 

 the head ; third joint cylindrical, about half the length of the 

 second. Antennae rather long, broadly pectinated, bare towards the 

 tips. Pectus densely lanuginous. Abdomen broad, linear, quad- 

 rate at the tip. Legs rather slender ; femora lanuginous ; hind 

 tibiae with two short apical spurs. Wings ample ; fringe very short. 

 Fore wings falcate ; costa straight ; exterior border convex, very 

 oblique. Hind wings with the interior angle rounded 5 interior 

 border densely fringed. 



1. DlAMUNA GASTROPACHARIA. 



Mas. Cinereo-cervina ; antenna? ockracea ; abdomen roseum, basi 

 album ; ala? nigro subconspersa ; antica lineis tribus ockraceis 

 reclis obliquis parallelis fusco marglnaiis ; posticm rosea, bi~ 

 lineata, subtus cervina plaga postica fuscescente. 



Male. Cinereous fawn-colour, paler beneath. Antennae ochra- 

 ceous. Abdomen and legs rosy ; the former white at the base, black- 

 speckled beneath. Wings minutely black-speckled. Fore wings 

 with three straight oblique parallel ochraceous brown -bordered 

 lines; first line indistinct; under side mostly rosy. Hind wings 

 rosy, with two lines, fawn-coloured along the interior border, which 

 has a white fringe; under side fawn-colour, with a brownish patch 

 on the exterior border ; interior border white. Length of the body 

 9 lines ; of the wings 22 lines* 



a. Swan River* Presented by Sir J. Richardson. 



Genus 11, BALLIACE. 



Fcem. Corpus crassum. Frons fasciculata. Proboscis valida. 

 Palpi crassi, angulati, oblique ascendentes, dense pilosi ; articulus 



C 



