1920] Holland, Lepidoptcm of the Congo 319 



of the fore wings fusing together to form a large .subrotund blotch, and those on the 

 inner margin of the hind wings being so numerous as to cause these margins to appear 

 much lighter than the rest of the wing. Expanse, 67 mm. 



The specimen before me does not agree with any of the species 

 hitherto described and figured. It comes nearest to the insect named 

 CaUocossus clegans byAiirivilhus, but is larger and differs in not having 

 "the anterior border of the hind wings orange-yellow," in lacking the 

 "three longitudinal blue-black lines on the back of the thorax and 

 abdomen," and in a number of other minute particulars, which are 

 evident upon a comparison with the description given by Aurivillius, 

 and which are brought out in the more detailed description of the type 

 which was taken at Faradje, September 3, 1912, and is in The American 

 Museum of Natural History. 



Xyleutes Hiibner 



(682) 1. Xyleutes s joe stedti Aurivillius (?) 



Xyleutes sjoestedti Aurivillius, 1910, Kilimandjaro Reise, IX, p. 50, PI. i, figs. 14, 15. 



The collection contains a single male, which agrees very well in 

 almost all of the markings of the wings with the figure which Aurivillius 

 gives of what he calls the female of the species named by him as X. sjoe- 

 stedti but does not agree with the figure which he gives of the male of 

 that species. The male before me is a much larger insect than the male 

 figured by Aurivillius (loc. cit.), and I am impelled to query whether the 

 association of the sexes made b}^ my learned friend is correct, in view of 

 the fact that, had he not figured the male on his plate, I should unhesitat- 

 ingly declare that the insect before me is the mate of the female he has 

 delineated, with which it agrees spot for spot. I am of the opinion that 

 Aurivillius' species is a composite, he having associated with his male 

 specimen the female of another species represented by the male be- 

 fore me. If this should eventuallj' prove to be true, a new name will 

 have to be given to the female he figures and the male insect upon 

 which I am now reporting. 



The insect was taken at Medje, April 6, 1911). It has an expanse of 

 105 mm. 



AzYGOPHLEPS Hampson 



(683) 1. Azygophleps boisduvali (Herrich-Schseffer) 

 Zeuzera hoisduvalii Herrich-Sch.effer, 1854, Aussereur. >"chmett., fig. 167. 



KiRBY, 1892, Cat. Lep. Het., p. 872. 



One male caught at Bolengi, July 20, 1909. 



