694 LIST OF DIPTERA. 



Ocyptera bimacula, n. s. Nigra, capite Jlavo, abdomine rufo, basi 

 apice maculisque duabus nigris, antennis pedib usque nigris, alis 

 subcinereis. 



Body black, clothed with black hairs and bristles : head yel- 

 low, clothed beneath with hoary hairs ; a black stripe between the . 

 eyelets and the feelers ; sides of the face fringed with bristles at the 

 base ; epistoma hardly prominent : eyes pitchy, not hairy : palpi 

 black : feelers black, as long as the face ; third joint club-shaped, 

 much longer than the second ; bristle much longer than the third 

 joint, stout near the base, very slender from thence to the tip : chest 

 adorned in front with three hoary stripes: scutcheon and abdomen 

 armed with a few black spines : abdomen red, longer than the chest; 

 base and tip black; two black spots on the back, one of them con- 

 nected with the black of the base : legs black, clothed with black 

 hairs and bristles ; foot-cushions pitchy: wings slightly gray; wing- 

 ribs pitchy ; veins black, pitchy at the base ; tip cross-veiu forming 

 an almost right angle with the fourth longitudinal vein, joining the 

 third longitudinal vein at some distance before the tip of the latter ; 

 lower cross-vein nearly straight; scales white, with yellow borders. 

 Length of the body 4% lines of the wings 6 lines. 

 a. Van Dieman's Land. Presented by the Rev. T. Ewing. 



Ocyptera Dotadas, n. s. Nigra, capite albo micante, abdomine 

 rufo, basi apiceque nigro, antennis pedibusque nigris, alis subci- 

 nereis, basi costa nervorumque marginibus fuscis. 

 Body black, clothed with black hairs and bristles : head adorned 

 in front with white reflectious, reddish on each side of the peristo- 

 ma : eyes red s mouth black, ferruginous at the base : feelers 

 black; third joint full twice the length of the second, slightly con- 

 vex above and beneath, shorter and less linear than that of the Eu- 

 ropean species : abdomen red, linear, black at the base and at the 

 tip : legs black, clothed with black hairs and bristles ; foot-cushions 

 tawny : wings slightly gray, brown at the base, on the fore borders 

 and along the veins ; wing-ribs, veins, and poisers black ; scales 

 white. Length of the body 3^ lines ; of the wings 6£ lines. 

 a. Jamaica. Prom Mr. Gosse's collection. 



Ocyptera Epytus, n. s. Nigra, capite albo. micante, abdomine rufo, 

 basi apice vittaque interrupta nigris, segmentorum suturis albo 

 micantibus, antennis pedibusque nigris, alis flavo-fuscis, apici- 

 bus marginibusque posticis pallidioribus. 

 Body black, clothed with black hairs and bristles : head silvery 



white, clothed beneath with hoary hairs ; peristoma yellow, with 



