new Species of Helerocer a. 401 



margin pale yellow, the apical third of the wing black ; a 

 row of four white spots crosses the wing from near the apex to 

 the anal angle ; the fringe black : secondaries pale yellow, 

 broadly edged with black ; a marginal row of white spots 

 extending from the apex to the anal angle. Underside the 

 same as above, but rather paler in colour. 



Expanse If inch. 



Hub. West Africa, Upper Kasai District, Congo Free 

 State (P. Landbeck, Mus. Druce). 



Fam. Nyctemeridae. 



Eohemera albofasciata, sp. n. 



Male. — Head and collar bright red ; tegulte black, edged 

 with red ; thorax black ; antenna? pectinated black ; abdomen 

 red, with a black spot on each segment; underside of abdo- 

 men and legs yellowish brown. Primaries dark brown, the 

 veins pale brown ; a white band crosses the wing beyond the 

 cell from the costal margin to the anal angle ; the fringe 

 brownish black : secondaries bright red, the apex and outer 

 margin broadly bordered with black; two black streaks 

 extend from base along the inner margin to the anal angle. 

 Underside very similar to the upperside, but slightly paler in 

 colour. — Female very like the male, but larger, the secondaries 

 brighter in colour and shading off to chrome-yellow on the 

 costal margin ; the antenna? are simple. 



Expanse, $ l\, ? 1\ inches. 



Nab. West Africa, Bitje, Ja River, Cameroons, 2000 feet, 

 wet season (G. L. Bates, Mus. Druce). 



Allied to Eohemera fulleri, Druce. 



Fam. JEgeridae. 



JEgeria nobilis } sp. n. 



Male. — Head, palpi, antennae, collar, tegulae, thorax, and 

 abdomen black ; underside of the abdomen and legs brown. 

 Primaries dark brown, palest near the apex ; the fringe dark 

 brown : secondaries creamy white, the fringe dark brown. 

 Underside very similar to the upperside, the primaries much 

 paler in colour. 



Expanse 1^ inch. 



I lab. German East Africa (Mus. Druce). 



