178 Mr. F.Walker's Characters of undescrihed Neuroptera 



pale, sub-apical space, which is sliglitly mottled with brown, and 

 contains an irregular brown, almost interrupted band, which to- 

 wards the costa is darker than the wing elsewhere; hind wings 

 grey, with brownish tips. 



Lengtli of the body Sg lines; of the wings 10 lines. 



Amazon Region. 



Genus Musarna, n. g. 



Mas et Fcem. — Corpus sat gracile. Palpi maxillares pilosi, 

 capitis latitudine breviores ; articulus apicalis lanceolatus : 

 palpi labiales breves : antennae sat graciles ; articuli apices 

 versus latiores : pedes nudi ; tibiae posticae calcaribus apica- 

 libus parvis : alae amplse, integrae j anticae apud costam con- 

 vexEe, apice rotundatae. 



Male and Female. — Body rather slender. Maxillary palpi pilose, 

 shorter than the breadth of the head ; apical joint lanceolate : 

 labial palpi short : antennae rather slender, a little longer or a little 

 shorter than the body ; joints slightly widened towards their tips: 

 legs bare; hind tibiae with short apical spurs: wings ample, 

 entire : fore-wings more or less convex along the costa, rounded 

 at the tips, moderately or very oblique along the exterior border. 



Musarna ai^rlens. 



Fcem. — Nigricans, subtus lurida, antennis basi luridis corpora 

 paullo longioribus, alis longis latiusculis fuscescente cinereis, 

 posticis subpallidioribus. 



Female. — Blackish, lurid beneath : antennae lurid towards the 

 base, a little longer than the body ; wings long, rather broad, 

 dark brownish-grey ; fore-wings convex along the costa, very 

 oblique along the exterior border ; hind-wings a little paler and 

 less tinged with brown than the fore-wings. 



Length of the body 8 lines ; of the wings 30 lines. 



South America. 



Musarna interclusa. 



Fcem. — Atra, antennis corpore paullo brevioribus, alis anticis 

 nigris longis latiusculis apud medium obscure cinereis, pos- 

 ticis nigricante cinereis. 



Female. — Deep black : antennae a little shorter tlian the body ; 

 fore-wings black, long, rather broad, more convex along the costa 

 than in the preceding species, very oblique along the exterior 



