CAMERON, FOS80RKS. 239 



radius sharply angled in the middle, projecting outwardly in a short stump and extend- 

 ing distinctly beyond the cubitus; the basal abscissa of the radius roundly curved; both 

 the recurrent nervures are received shortly beyond the middle, and are roundly curved 

 outwardly in front. Teguke large, rufo-testaceous, black on the innerside at the base. 

 Pronotum rounded, widened gradually, obliquely towards the apex. The central keel 

 on the metanolum is weak, and is indicated only on the basal halt'; the apex on either 

 side of the area is depressed, the furrow without distinct keels. Basal slope of 1st ab- 

 dojninal segment closely minutely punctured in the centre, the sides with scattered, much 

 larger punctures, the top with an irregular transverse ridge, the apical dilated region 

 with distinct, scattered punctures. The puncturation on the other segments becomes 

 gradually stronger and closer (as does also the pubescence) from the second to the 

 apical on which it is very strong above, somewhat weaker below; it has no smooth 

 longitudinal line. a 71 . 



Length 11 mm. 



Kittmandjaro : Kibonoto. May. 



Head closely and strongly punctured on the front and vertex; below the antennae 

 it is as strong, but not so close. The puncturation on the pronotum becomes stronger 

 towards the smooth apex; there is a distinct keel on the base; on the mesonotum it is 

 much stronger, but not very close, especially laterally towards the apex; the puncturalion 

 on the scutellum is closer and weaker; the metanotuin is impunctate, opaque, the outer 

 keel extends from the base to the apex of the metanotuin, the apical part being straight, 

 oblique and runs into the apical outer angle. Propleune strongly punctured, especially 

 below, the apical part broadly smooth to the lower third. Mesopleura? sparsely, some- 

 what strongly punctured. Metapleur?e strongly, closely, obliquely striated. 



The pubescence is very thick and close; it is longer and denser on the meso- 

 pleurce, and there is a thick fringe of it on the sides of the scutellum. 



This species is closely allied to T. pilosella from which it differs in being larger 

 and stouter, in the basal abscissa of the radius being equal in length with the 2nd, not 

 shorter than it as in p/losella, in the 2nd recurrent nervure being received beyond, not 

 before the middle of the cellule, the teguhe are only black at the base on the innerside, 

 not black throughoiil to near the middle, the metanolal area is not narrowed towards 

 the apex, in piluxillti distinctly so, and the central keel is less distinct. One example. 



Myziniidae. 



Plcsia incrucnsis, sp. nov. 



Black, densely covered with longish while pubescence, mandibles except at apex, 

 clypeus, a widely interrupted band on the base of pronolum, a narrower, less widely 

 interrupted one on its apex, the greater part of the tegulae, a longish mark down the 

 base of mesonotum, straight at the base, narrowed at the apex above, becoming gradually 



