5oG ]\Ir. T. L). A. Cockcrcll — Descriptions and 



covered with yello^vish-wliite hair ; vertex with black hair 

 and longer white ones intermixed ; antennse quite long, 

 flagelium obscure ferruginous beneath ; mandibles black, 

 very shiny at apex ; mesothorax dull, minutely rugoso- 

 })unctate ; dorsum of thorax with much erect black hair, 

 longest on scutellum ; tegulje rufo-piceous. Wings mode- 

 rately dusky, stigma and nervures very dark reddish l)rown ; 

 recurrent nervures entering second submarginal cell quite 

 (and equally) near base and apex ; anterior coxae with short 

 broad spines; anterior femora bright ferruginous, sharply 

 keeled below, and Avith some black and wliite hair at base ; 

 anterior tibite triangular in section, red, with the outer side 

 (except the anterior apical corner broadly) black, the ante- 

 rior corner having a pointed yellowish-M'hite projection ; 

 anterior tarsi yellowish white, broadened and flattened, but 

 not excessively so, and with a long ])Ostcrior fringe, which is 

 Mhite at base and mainly golden-iulvous otherwise, some of 

 the hairs tipped Avith fuscous ; within, the second joint has a 

 large black spot bordered with ferruginous, this also shows 

 through on the upper side as a black spot ; basal joint of 

 middle tarsi densely covered with shining silver-white hair on 

 the outer side and with an excessively long posterior fringe 

 of white hairs, slightly mixed with fuscous ; hind spurs 

 black ; hair on inner side of hind tarsi pale orange ; dark 

 parts of abdomen with black hair; sixth and broad apical 

 margin of fifth segment covered with yellowish-white 

 tomentum ; sixth inxisible from above and ending in two 

 widelv-separated teeth. 



Hub. Port Darwin [J. J. Walker, 750). 



MeyachUe cygnorum, sp, n. 



$ . — Length 10 mm. or a little more. 



Shape of M. danviniuna, but with the pubescence, espe- 

 cially of the abdomen, decidedly pale ochreous and the 

 abdominal hair-bands bioad. Eyes light green, with a 

 little red suffusion in front ; antennse long, fliigellura dull 

 fulvous beneath ; face densely covered with yellowish-white 

 hair; hair of vertex long and light ochreous, but some 

 admixture of black on mesothorax and scutellum; mandibles 

 black, with a dark red spot near the apex ; mesothorax 

 densely rugoso- punctate ; tegulse dark brown. Wings 

 rather dusky, nervures piceous. Anterior eoxse with rather 

 short flattened spines; anterior femora light orange-fulvous, 

 greatly flattened and kteled, with long yellowis^h- white hair 

 beneath ; anterior tibiae triangular in section, short, orange- 



