174 THE BEKS OF THE SOLOMON ISLANDS, 



emargination : a smooth shining patch occupies the lower part 

 of the supraclypeal area and the upper margin of the clypeus ; 

 hair of face below antennae, and of vertex, black, but a sort 

 of broad V-shaped band on front pale yellowish ; cheeks with 

 hair black in front and pale behind ; front densely punctured, 

 but rather shining; mesothorax and scutellum dull, minutely 

 and very densely rugoso-punctate ; hair of mesothorax and 

 scutellum black, but cream-coloured tomentum in the suture 

 between them ; other parts of thorax with pale yellowish hair, 

 but a good deal of black on upper part of pleura ; legs with 

 reddish hair, that on tarsi bright fox-red ; hind basitarsus 

 much broadened and flattened ; spurs red ; wings dusky ;. 

 abdomen black, with short black hair, the hind margins of 

 the segments with conspicuous entire orange-fulvous hair- 

 bands ; ventral scopa bright red. (Froggatt, C 6; type.) 



^ Length about 10 mm. ; hair of face light golden, with 

 some dark hairs intermixed on upper part of clypeus ; hair of 

 vertex black, of cheeks long and pale yellowish ; antennae 

 long, black ; hair of thorax ferruginous, pale yellowish below, 

 disc of mesothorax and scutellum with black hair : abdomen 

 with red bands as in female ; anterior coxae with short sharp 

 spines ; anterior tarsi simple, dark reddish ; sixth abdominal 

 segment with outstanding margin bilobate, the lobes rounded : 

 no ventral spines. 



Hab. — Solomon Islands, July- August, 1909 (Froggatt, No. 

 C 6). Related to M. dilif/ens Sm., from the Hawaiian Is- 

 lands, and M. do/niei Ckll., from Tahiti. The male M. doanci 

 has the sixth abdominal segment bidentate instead of bilobed, 

 and the fifth is covered with red hair. M. f/iJir/e/is is easily 

 separated by the colour of the thoracic pubescence. 



The following key separates the species of .\f(tj<irhll(' of the 

 Solomon Islands, New Caledonia, New Britain, etc. 



