Lepidoptera from Madagascar. 293 



ACHEBONTIIN^^ Butlcr. 



AcHERONTiA, Hiibner. 



43. Acherontia atropos. 

 Sphinx atropos, Linnseus, Mus. Lud. Ulr. p. 348. n. 8 (17G4). 



"Caught in the forest, and only seen there." Fianarantsoa, 

 The European death's-head moth occurs also in Mauritius 

 and Rodriguez, 



Sphinginje, Butler. 



Nephele, Hiibner. 



44. Nephele Densoi. 

 Zonilia Densoi, Kefersteiu, Eutom. Notiz. p. 14, fig. 5 (1870). 

 Fianarantsoa. 



Zygsenidse. 



PSEUDONACLIA, Butler. 



45. PseudonacUa sylvicolens^ n. sp. 



Primaries chocolate-brown ; a subtriangular basal spot, a 

 large central transverse subovate spot, and two smaller discal 

 spots (one below the other) pale §tramineous or yellowish 

 white and semitransparent : secondaries ochreous, with choco- 

 late-brown outer border : antennae black and broadly pecti- 

 nate ; thorax black ; shoulders and abdomen ochreous. 

 Body below ochreous. Expanse of wings 1 inch 2 lines. 



'* Found in the forest. Fianarantsoa." 



The primaries of this species are unusually long and ample. 



NyctemeridaB. 

 Hylemera, n. gen. 



Allied to Secusio, but the primaries shorter and broader and 

 with entirely different neuration ; costal vein united to the first 

 subcostal branch, which is forked, by a, short oblique veinlet; 

 second subcostal branch emitted just beyond the first and tri- 

 furcate, the first furcation being emitted from below the nervule, 

 and the other two forming a fork to apex ; radials emitted 

 near together from the end of the cell ; three median branches 

 emitted normally : secondaries with the costal vein running 

 from the base, but touching the subcostal near the base ; first 

 and second subcostal branches emitted from the end of the cell 

 instead of from a footstalk. Type H. tenuis. 



