418 INSECTA SAUNDF.RSIANA. 



Genus MYCETOBIA, Bleig. 



Mycetobia divkrgens, Mas. 



Ni(jra,nite7is ; abdomen fasciis indistlnctis fulvis ; iwdes teslacei, tarsis 

 fu-icis ; alee subcinerea;, vents nigris. 



Black, shining. Antennae longer than the thorax. Abdomen with 

 dark indistinct tawny bands. Legs testaceous ; tarsi black. Wings 

 slightly tinged with gray ; veins black, tawny at the base. Halteres 

 testaceous. Length of the body 2 lines ; ol' the wings 4 lines. 



This species differs from M. pallipes in the structure of the radial 

 vein, which is much curved, and extends to the tip of the wing. 



United St ites. 



Genus SCIARA, Fabr. 

 Div. A, a. Meig. Dipt. vi. 305. 



SciARA PRIMOGENITA, Foem. 



Atra ; antennce sat valid(e, thorace vix breviores ; abdomen latiusculum, 

 thorace duplo longius ; pedes validi, subpubescenles ; alee nigri- 

 cantes, latiuscula, basi et apud cosiam nigrce. 



Deep black. Antennae rather stout, nearly as long as the thorax. 

 Abdomen rather broad, about twice the length of the thorax. Legs 

 stout, minutely pubescent. Wings blackish, rather broad, black towards 

 the base and along the cosia; veins black ; forks of the subapical vein 

 almost as long as the basal part. Length of the body 3 lines ; of the 

 wings 8 lines. 



Cayenne ? 



Div. A, b. Meig. Dipt. vi. 305. 



SciARA LURiDA, Foem. 



Nigra ; abdomen piceum, sublus fulvum ; pedes fulvi, tibiis tarsisque 

 fuscis ; alee fuse (t ; halteres fulvi. 



Sciara lurida, Cut. Dipt. Brit. Mus. i. 100. 



