608 LIST OF DIPTEEA. 



Helophilus ineptus, n. s. Fuscus, capiteflavo, thoracis vittis dua- 

 bus canis lateribusqueflavis,scutelli margine postico fulvo, abdo- 

 mine ceneo, lateribus basi fulvo maculatis, pedibus piceis, tibiis 

 basi fulvis, alls subcinereis. 



Head yellow, black on the crown and about the base of the 

 feelers : eyes pitchy ; all the facets very small : mouth and feelers 

 black ; bristle of the feelers naked : chest dark brown, clothed with 

 black hairs, adorned with two hoary stripes on the back, and with a 

 yellow stripe on each side, having a brassy hue towards the hinder 

 part, especially on the scutcheon, whose hind border is tawny : ab- 

 domen brassy, oval, nearly flat, a little broader and shorter than the 

 chest, clothed with tawny hairs, adorned with a large tawny spot on 

 each side of the base : legs pitchy, clothed with tawny hairs; shanks 

 tawny towards the base ; claws and foot-cushions tawny ; tips of 

 claws black: hind thighs slightly thickened: wings slightly gray: 

 wing- ribs pitchy ; veins black. Length of the body 5 lines ; of the 

 wings 10 lines. 



a. New Zealand. Presented by Dr. A. Sinclair. 



Helophilus Agerinus, n. s., fem. Niger, thorace vittis duabus ca- 

 nis, scutello rufo, abdomine maculis canis, antennis rufis, pedibus 

 nigris, genubus ferrugineis, alis limpidis basifuscis. 



Body black : head dark red, marked with black on the crown, 

 prominent about the mouth, which is black : feelers red, black to- 

 wards the base : eyes pitchy, slightly bronzed : sides of the chest 

 and of the breast dark red ; chest adorned with two narrow hoary 

 stripes ; breast and sides of the chest covered with hoary bloom ; 

 scutcheon dark red, gibbous, slightly furrowed lengthwise : abdomen 

 nearly elliptical, deep black, rather shorter and broader than the 

 chest; each segment adorned with two large patches of hoary down; 

 hind borders of the segments shining : legs black ; knees ferrugi- 

 nous ; feet covered beneath with ferruginous down ; claws and foot- 

 cushions ferruginous ; tips of claws black : wings colourless, dark 

 brown at the base, slightly tinged with brown below the middle of 

 the fore border ; wing-ribs pitchy ; veins black, pitchy towards the 

 base ; poisers pitchy. Length of the body 6 lines ; of the wings 12 

 lines. 



Helophilus scutellaris. Eristalis scutellaris, Wied. Auss. Zweif. 

 ii. 159, 11. Macq. Dipt. Exot. ii. 41, 17. Milesia scutellaris, 

 Fabr.Syst. Antl. 190, 11. 



