728 Mr. Rowland E. Turner on new 



satisfactory distinction can be drawn from this character. 

 In M. infradentata, Turn., and M. 2Jero'}'nata, Turn., the 

 wings are too short to be used for flight, also in 31. per- 

 niciosa. Turn., in which the third cubital cell is absent. 



Myzine perniciosa, sp. n. 



9 . Nigra, nitida ; pronoto rufo ; mandibulis, autennis tarsisque 

 fusco-testaceis ; alis subhyalinis, brevissiinis, thorace brevioribus, 

 cellulis cubitalibus secundo tertioque obliteratis. 



Long. 5 mm. 



5 . Mandibles with a blunt tooth on the inner margin before the 

 apex. Head slightly convex, a little broader than long, slightly 

 rounded at both the anterior and posterior angles, smooth and 

 shining ; eyes elongate ovate ; ocelli very small, situated in a 

 triangle on the vertex ; the posterior margin of the head with a 

 fringe of short whitish hairs ; interantennal prominence bilobed. 

 Thorax narrower than the head, smooth and shining, pleurae very 

 minutely punctured ; pronotum longer than broad, slightly narrowed 

 and rounded anteriorly ; scutellum narrowly truncate at the apex, 

 longer than the mesonotum. Median segment a little longer than 

 the scutellum, smooth, subopaque, the sides microscopically striated, 

 steeply sloped posteriorly. Abdomen smooth and shining, the 

 petiole as long as the second joint of the posterior tarsi, the apical 

 segment narrowly rounded at the apex. Sting when exserted nearly 

 as long as the abdomen. Wings very short, the forewings no 

 longer than the thorax without the median segment ; the stigma 

 situated at about two-fifths from tlie base of the wing, the neuration 

 beyond the stigma absent, so that the second and third cubital and 

 .second discoidal cells are missing. 



Hah. Cape Colony, Algoa Bay {Dr. Brauns), January. 



Myzine pic^'^'ornata, Turn. 



Myzine {Pseudomcria) peromata, Turn., Ann. and Mag. 

 Nat. Hist. (8), I, p. 499 (1908), $. 

 Hal. Orange Free State, Dewetsdorp {Dr. Brauns). 

 The type is from Piet Retief. 



Myzine infradentata, sp. n. 



9 . Nigra, politissima ; segmento mediano opaco, crasse punctato ; 

 mesopleuris rugosis ; alis fusco-cyaneis, brevissimis ; mandibulis 

 apice bidentatis, apice subtus dente verticali instructis. 



Long. 17 mm. 



