22 Annals Entomological Society of America [Vol. IV, 



Stigma; base of stigma black, a narrow streak up from end of anal vein, 

 spot at anastomosis of cubitus and median, and two dots on radius 

 beyond stigma; many crossveins are black, but there are large patches 

 where all are white, two of these near middle of wing and one oblique 

 below the stigma; hind wings with spot at base of stigma, and a spot 

 behind radius black, some of the same large patches of white crossveins 

 as in the forewings. Wings very slender, acute at tips, 7 crossveins 

 before radial sector in forewings, about 9 or 10 branches of radial sector 

 in both pairs. 



Expanse 58 mm. 



One from Langenburg, Nyassa-See, and one from Zanzibar. 



Nemoleon filiformis (Gerst.). 



From Bismarekburg, Togo, and Nssanakand, Kamerun. 



Nemoleon kituanus (Kolbe). 



From Peleki, Kwidjwi, D. O. Afrika. 



Macronemurus Costa. 



This genus is similar to Formicaleon, but the spurs are 

 shorter. The antennae are close together at base; the pronotum 

 is very narrow when compared with the head ; and the antenna; 

 are rather long and slender. There are two types of venation; 

 one in which the forks of cubitus are much divergent, and the 

 wings are broader, and the radial sector arises barely beyond the 

 forking of cubitus. This is the typical section. The other 

 group has narrower wings, the radial sector arises much beyond 

 the forking of cubitus, and the cubital forks are nearly parallel 

 approaching the condition of Creagris; the species M. iolanthe, 

 and M. melanthe described below belong to this section. 



Type of genus — M. appendiculatus Costa. 



The species here recorded may be separated by the following 

 table: 



1. Hind-wings with an apical brown streak; cross-veins all dark; pronotum with 



dark stripes striola 



Hind-wings with the outer apical margin dark; a dot at end of anal and on 



anastomosis of cubitus and median in the fore-wings iolanthe 



Hind wings without streak or dark margin 2 



2. Fore-wings with many large black spots (about 24) and four or five near 



apex of the hind-wings pulchellus 



Wings without large marks 3 



3. Radius and subcosta unmarked; cross-veins nearly all pale; no spots on wings; 



pronotum mostly dark melanthe 



Radius and subcosta black and pale alternately 4 



i. Pronotum pale, with three entire, black stripes; gradate veinlets marked; 

 many cross-veins are margined with brown at their junction with the 



longitudinal veins loranthe 



Pronotum not so marked 5 



