386 



7 th white; Ihe 4 front coxae and trochanlers white; the femora 

 and tibias dull red, black above; the tarsi and spurs black ; the 

 hind coxae red, paler below, a black mark on the sides at the 

 apex; the trochanters of a duller red, tinged with yellow and 

 marked with black; the hind femora black, broadly red at the 

 base, the red on the basai third above, on the basai half below, 

 the tibias black, with black spurs; the tarsi white; the basai and 

 apical half of the apical joint black. 7 th 'to 14 th joints of the 

 antennœ white, black above. Wings hyaline, the stigma black, 

 fuscous in the centre, the nervures black; the areolet square. $. 



Length 12 mill. ; terebra 5 mill. 



Dima, 23 th September (A. Koller). 



Face irregularly transversely wrinkled, the clypeus distinctly 

 punctured; the front and vertex weakly punctured, the former 

 with an irregular keel down the middle. Mesonotum closely, 

 somewhat strongly punctured, more or less striated towards the 

 apex, especially on the middle lobe Sculellum somewhat strongly, 

 but not closely punctured. Metanotum closely, rather strongly 

 reticulated, more weakly at the base, more strongly at the apex; 

 where the punctures run into strise; there is only 1 keel, the 

 basai. Propleurœ striated, the apex above with a large smooth 

 oval space, the lower basai part smooth, the striae above this 

 roundly curved, Mesopleurœ finely striated, more strongly so at 

 the apex above; the metapleurœ more strongly striated, especially 

 at the metanotum. Pétiole smooth, the post-petiole strongly pun- 

 ctured, sparsely so in the middle of the base; the 2 nd segment is 

 finely closely punctured. 



Gryptaulax bifasciatus sp. n. Black, the hind coxœ 



orange-red; the wings fuscous, the base clear hyaline to the 

 nervellus and with a clear hyaline cloud extending from the 

 parastigma to the base of the basai third of the radial cellule, the 

 basai cloud on the outerside becoming gradually irregularly wide- 

 ned from the costa to the hinder margin; the nervures and 

 stigma black; the areolet small, narrowed in front, longer along 

 the transverse cubital nervures than along the cubitus; the récur- 

 rent nervure received at the base of the apical third; the nervellus 

 post-furcal, almost interstitial; the nervellus in hind wings broken 

 near the top of the posterior third. The 10 th to 12 th antennal joints 

 are white except above. Pal pi black. Ç and çj\ 



Length 17 mill.; terebra 6 mill. Ç; çf 13 mill. 



Mayumbe (Deleval) ; Dima, 22 th September (A. Koller). 



