MYRMELEONITES. 435 



rather less limpid and shorter but not narrower than the fore-wings. 

 Length of the body 16 lines; of the wings 38 lines. 



a. Bengal. 



50. ASCALAPHUS LONG US. 



Fuscus, nigrO'hirtus ; caput ferrugineum ; antenna picece, basi 

 ferruginece et intus denticulatce, clava nigra lata ; thorax fer- 

 rugineo notatus, postice ferrugineus, subtus testaceo fasciatus ; 

 abdomen longissimum, alls anticis paullo longius, basi subtus 

 ferrugineum vel testaceum ; pedes picei, tar sis nigris ; al<B 

 subhyalince vel sub/uscae, basi nigro-fuscce . 



Dark brown, clothed with black hairs : head ferruginous : an- 

 tennae pitchy, much shorter than the wings, ferruginous and denti- 

 culated on the inner side towards the base; club broad, black: 

 thorax with some ferruginous marks ; hind part ferruginous ; under- 

 side with a curved testaceous band : abdomen very long, a little 

 longer than the fore-wings, ferruginous or testaceous beneath at the 

 base : legs pitchy ; tarsi black : wings subhyaline or pale brown, 

 dark brown at the base ; stigma dark brown, large, with six veins ; 

 veins black : subcostal region slightly decreasing in breadth from 

 near the base to the middle, and again slightly widening from thence 

 to the stigma : hind-wings shorter but very little narrower than the 

 fore-wings. Length of the body 20 lines; of the wings 34 36 

 lines. 



a, 6. Bengal. 



Group 2. 



Tibiarum posticarum calcaria tarsorum articulis lo ad 4um vix 

 breviora. 



* Ala? postica? non dilatatae. 



Subpalasca, Lefebvre, Mag. ZooL 1842. 

 Ulula, Ramb. Hist. Nat. Ins. Neur. 357. 



Labium almost quadrilateral, having on each side of its upper 

 border a tuft of thick bristles bent at their tips and almost like 

 spines: last joint of labial palpi a little sinuated and unequal to- 

 wards its tip: feelers variable in length, with whorls of hairs at their 



