434 INSECTA SAUNBERSIAXA. 



Genus LIMNOBIA, Meigen. 



Div. E. Meig. Dipt. i. 125, pi. 6, f. 2. 



LiMNOBiA BASALis, Foem. 



Nigra, nitens ; aim nigricantes, venis nigris. 



Black, shining. Oviduct short, nearly cylindrical. Wings blackish ; 

 veins and halteres black. Length of the body 5 lines ; of the wings 10 

 lines. 



Van Dieman's Land. 



I Div. I. Meig. Dipt. i. 131, pi. 5, f. 5. 



LiMNOBIA TURPIS, FoBm. 



Nigro-fusca ; antennce setacece, monili/Grmes, thorace breviores ; caput 

 et thorax cinereo tomentosa ; abdomen piceum, apice fulmim; pedes 

 fulvi, femoribtis iibiisqve apice tursisgue nigris ; al<e subcinerea, 

 venulis transversis infuscatis. 



Blackish brown. Antennce black, setaceous, moniliform, rather 

 shorter than the thorax. Head and thorax with cinereous tomentum. 

 Abdomen piceous, tawny at the tip. Oviduct cylindrical, rather long. 

 Legs tawny ; tarsi and tips of the femora and of the tibiae black. Wings 

 grayish; veins brown, testaceous towards the base; transverse veinlets 

 clouded ; stigma brown. Halteres testaceous. Length of the body 5 

 lines ; of the wings 10 lines. 



Canada. 



Div. K. 3feig. Dipt. i. 132, pi. 5, f. 6. 



LiMNOBIA ATEURIMA, Foem. 



Aira, obscura ; anlenme setacece, vioniliformes, thorace paullo breviores ; 

 oviductus jnceus, nitens ; alee nigrce. 



Deep black, not shinini^. Antenufe, legs, wings and halteres black. 

 Antenuoe setaceous, moniliform, a little shorter than the thorax. 



