670 Mr. T. D. A. CockervW — Descriptions and 



rails), the narrower head, &c. The male is known from 

 T. rofiweri hy the much hroader pygidial plate, the pleura 

 not all covered with hair, the eyes more parallel, &c. 



Melissina, gen, nov. (Anthoplioridee.) 



Belongs to subfamily Eitcerlnce, and is the Indian repre- 

 sentative of the American genus Me/issodes, from wliich it 

 differs l)y the very short and deep maiginal cell, the fourth 

 joint of niaxiliary pali)us long, the less slender paraglossse, 

 the shorter tongue, and the much les3 tapering m:ixillary 

 blade. It differs at once from Ciihitalia, Friese, which re- 

 sembles it in the five-jointed maxillary })alpi, by the three 

 submarginal cells and long male antenme (these characters 

 as in Melissodes). The following descrijjtion of the mouth- 

 parts is taken from a female of the tvj e species ; the 

 measurements are all in microns: — 



Labial palpi 4-jointed, joints measuring (1) 750, (2) 355, 

 (3) 95, (4) 88 ; apical half of first joint hairy on one side ; 

 second joint very broad, very hairy on one side, pale, with 

 two broad brown bands, united by a longitudinal band; 

 last two joints stout ; paraglosste reaching nearly to end of 

 labial palpi; tongue comparatively short, not extending 

 beyond paraglossse and labial palpi. ]\[axilhiry palpi 4- 

 jointcd (this also confirmed in male), the joints measuring : 

 (1) 160, (2) 160, (3) 145, (4) 95; first 'joint very stout, 

 second broadly colourless at apex and less conspicuously so 

 at base ; last joint slender, with two bristles at apex, 

 maxillary blade about 1280 long, very broad (about 480) 

 near base. 



Tibial scopa of female with plumose bristles, but these 

 have the apical 2S0 to 320 fx, simple. In the wings the 

 only marked feature is the very broad (deep) marginal cell, 

 which is about as long as the discoidal, and ends rather 

 obtusely far from the costa ; b. n. not quite reacliing t.-jn. ; 

 second s.m. q\iadrate, much shorter than first or third, 

 receiving first r. n. near its end ; third \.-c. strongly bent, 

 third s.m. on marginal about as broad as second. Labrum 

 emarginate at apex, and mandibles simple, in female. 



Moliss'ina vlatur, sp. n. 



? . — Length 9-10 mm., anterior wing about 7\. 

 Black, for the most part densely covered with pubescence, 

 except the hind margins of tiie abdominal segments, Mhich 

 are bare and conspicuous ; hair of head and thorax white. 



