860 LIST OF DIPTERA. 



dark ferruginous, clothed with black hairs and bristles ; feet black ; 

 foot-cushions tawny: wings slightly gray; wing-ribs and veins dark 

 ferruginous ; veins black towards the tips ; tip cross-vein forming 

 an obtuse angle with the fourth longitudinal vein, very slightly 

 curved inward along the whole length, till near the tip, where it has 

 a slight outward inclination, joining the border at a short distance 

 above the tip of the wing ; lower cross-vein with two curves, the 

 lower inward, much deeper than the other, which is outward; scales 

 gray, with lawny borders. Length of the body 6 lines ; of the 

 wings 16 lines. 



a. New Holland. 



Dexia Uzita, n. s., fein. Viridis, eapite fulvo, thoracis lateribus 

 cyaneis, scutelli apice purpureo, pectore abdomineque aureo-viri- 

 dibus, abdominis vitta et segmentorum marginibus posticis nigris, 

 palpis jiavis, antennis nigris basi fetrugineis, pedibus nigris, alis 

 limpidis. 



Body clothed with black hairs and bristles : head tawny and 

 tinged with while in front, bright green behind and beneath, pitchy 

 with a tawny tinge on the crown ; a ferruginous stripe between the 

 eyelets and the feelers ; epistoma extremely prominent ; ridge of the 

 face pale ferruginous, with a bright green spot at the tip adjoining 

 the epistoma ; sides of the face fringed with bristles along one-third 

 of the lenglh : eyes brassy red ; fore part nearly flat, its facets very 

 small: sucker black, clothed at the tip with lawny hairs; palpi pale 

 yellow, long, very slender, beset with short black hairs : feelers fer- 

 ruginous ; third joint black, ferruginous at the base, more than 

 twice the length of the second joint, which is armed wilh a black 

 bristle : chest bright green, bluish on each side and on the scutch- 

 eon, whose tip is tinged with purple ; fore part adorned with five 

 indistinct, darker stripes : breast golden green, bluish on each side, 

 clothed with tawny hairs : abdomen golden green, obconical, a 

 little shorter and broader than the chest, bluish green on each side 

 and at the tip, not furrowed nor notched at the tip ; a black stripe 

 along the middle, and a broad black band on the hind border of 

 each segment : legs black, clothed with black hairs and bristles ; 

 foot-cushions tawny, with very long, forked, spindle-shaped, pale 

 tawny appendages : wings colourless, a large dark brown spot near 

 the base, which is tawny ; wing-ribs ferruginous ; veins black, fer- 

 ruginous at the base ; tip cross-vein forming an obtuse angle with 

 the fourth longitudinal vein, almost imperceptibly curved inward 

 along the whole length to the tip, which has a slight outward in- 

 clination, joining the border a little above the tip of the wing ; 



