405 



wings slightly tawny ; cross-veins straight, upright: halteres pale yellow. 

 Length of the body 2 lines ; of the wings 5 lines. 



Van Dieman's Land. 



Helomyza pallida, Foem. 



Cinerea ; caput flainim ; antenna lutece ; -pedes textacei, tibiis tar.iisque 

 anlicis apice niijricantibus ; aUe subhyalince. 



Pale cinereous : head yellow : mouth tawny : feelers luteous ; third 

 joint almost conical, more than twice the length of the second ; sixth 

 black, bare, more than twice the length of the third : abdomen obconical, 

 not longer than the chest: legs pale testaceous; fore-shanks and fore-feet 

 blackish towards the tips : wings almost colourless ; veins tawny ; cross- 

 veins straight, upright : halteres pale yellow. Length of the body 1| line; 

 of the wings 4| lines. 



Van Diemau's Land. 



Helomyza angusta. 



Nigra; caput ferrvgineuin ; antenna: arista plumosa ; abdominis seg- 

 menta albido bimaculata ; pedes fulvi ; alec fuscce, nebulosce. 



Black : head ferruginous : feelers ferruginous ; third joint linear, full 

 twice the length of the second, black towards the tip which is rounded ; 

 sixth slender, feathered on both sides with long hairs : abdomen linear, 

 narrower and much longer than the chest, with a whitish spot on each side 

 of the base of every segment : legs tawny ; thighs darker than the shanks : 

 wings brown, partly clouded with darker brown ; veins black, ferruginous 

 at the base ; lower cross-vein almost upright, indistinctly waved ; middle 

 cross-vein very near the base : halteres white. Length of the body 2^ lines; 

 of the wings 5 lines. 



Brazil. 



Helomyza velutina, Mas. 



Nigra, holosericca ; antenna fulva;, arista plumosa ; abdomen testaceum, 

 subtus ferrugineum ; pedes ferruginei, femoribtis tibiisque anlicis 

 piceif ; alee suhcinerecE, ad costam subfulvee. 

 Velvety black : head tinged with white beneath : feelers tawny ; third 



3g 



