312 Dr. C. P. Alexaiuler on 



deflection of M^ ; basal deflection of Cn^ before tbe fork of 

 M a distance about equal to m. 



Abdominal segments dark brown, the caudal margins 

 conspicuously riniicd with white; genital segment and 

 ovipositor horn-coloured. 



Hab. Mascarene Islands. 



Holotype, $ , Reunion (Sikara). 



Type in the collection of the Vienna Mus uin. 



Trentepohlia [Mongoma) metatarsatra, Alexander. 



1920. Trentepohlia metatarsatra, Alex. Ann. & Mag. Nat. Hist. ser. 9, 

 vol. vi. pp. 41 , 42. 



The unique type of T. metatm^satra was in poor condition 

 when described. A male is at hand, which is here charac- 

 tei-ised as allotypic. The specimen differs from the descrip- 

 tion of the unique ty|)e in the followino; regards : — 



Head obscure yellow, slightly greyish pruinose adjoining 

 the inner margin of the eyes. The white tibial bases are 

 broad and pass insensibly inlo the brown tibial ring. Wings 

 Avith r close to the foi'k of -Z?2+3- Abdomen uniformly pale 

 brownish yellow, including the hypopygium. 



Mole. — Length 8-8'2 mm. ; wing 8*4 mm. 



Allotype and two additional males from BMkol)a-Usum- 

 bura, between Lakes Victoria and Tanganyika, 1910 

 {Graver). 



Allotype in the collection of the Vienna Museum. 



Lecteria tanganicaB, sp. n. 



General coloration reddish fulvous, the prsescutal stripes 

 inconspicuous ; head bluish plumbeous; legs obscure yellow, 

 the tips of the femora, tibite, and metatarsi narrowly infus- 

 cated ; wings yellow, the origin of Rs, the cord, and the 

 tip of i?2 ri^ther narrowly seamed with Ifrown ; abdomen 

 brownish fulvous, including the hypopygium. 



Male. — Length 21-22 mm. ; wing 18-19 mm. ; abdomen 

 alone 16-5-17*5 mm. 



Rostrum and palpi dark brown. Antennse with the scapal 

 segments o1)scure brownish yellow; flagellum light brownish 

 yellow. Head bluish plumbeous, paler behind. 



Pronotum dark browu medially. Mesonotum deep reddish 

 fulvous, the lateral prsescutal stripes indicated, brown ; 



