LIST OF DIPTERA. 871 



Musca Tifata, n. s., mas. Viridis, albo micans, thorace vittis tribus 

 tenets, abdominis segmentorum marginibus posticis cyaneis, pal- 

 pis fulvis, antennis pedibusque piceis, femoribus nigro-cyaneis, 

 alis subcinereis basifuscis. 



Body clothed with black hairs and bristles : head dull green, 

 adorned with white lustre : a double row of black bristles between 

 the eyes ; epistotna rather prominent, pale ferruginous ; sides of the 

 face fringed with bristles at the base ; peristoma tawny : eyes red : 

 sucker black, ferruginous and clothed with tawny hairs at the tip ; 

 palpi tawny : feelers pitchy, a little shorter than the face ; third 

 joint full four times the length of the second, ferruginous at the 

 base, linear, rounded at the tip ; bristle black, longer than the 

 third joint : chest green, slightly tinged with white, adorned in front 

 with three indistinct and interrupted copper stripes : abdomen nearly 

 elliptical, a little shorter and broader than the chest ; hind borders 

 of the segments blue, especially on each side, where they are partly 

 purple : legs pitchy ; hips and thighs bluish black ; foot-cushions 

 dark tawny : wings slightly gray, brown at the base ; wing-ribs and 

 veins black ; tip cross-vein forming a very slightly obtuse angle 

 with the fourth longitudinal vein, very slightly curved inward at 

 one-fourth of its length, straight from thence to the tip, joining the 

 border a little above the tip of the wing ; lower cross-vein very 

 slightly curved inward near the base, and thence having an irregu- 

 lar and almost imperceptible outward curve which continues to the 

 tip ; scales white, with tawny borders. Length of the body 4 lines ; 

 of the wings 8 lines. 

 a. China. Presented by G. T. Lay, Esq. 



Musca Eemuria, n. s., fern. Cyaneo-viridis, ceneo varia albo tecta, 

 scutello cyaneo, abdomine aureo-viridi segmentorum marginibus 

 posticis cyaneis, antennis palpisque fulvis, pedibus nigris, tibiis 

 ferrugineis, alis limpidis basi subfulvis. 



Body clothed with black hairs and bristles : head pitchy above, 

 tawny and slightly tinged with white in front ; a dark ferruginous 

 stripe between the eyelets and the feelers ; epistoma prominent ; 

 sides of the face fringed with bristles at the base : eyes bright red : 

 sucker black, ferruginous and clothed with tawny hairs at the tip ; 

 palpi tawny : feelers bright tawny, a little shorter than the face ; 

 third joint full four times the length of the second, slightly decreas- 

 ing in depth from the base to the tip, which is rounded ; bristle dark 

 tawny, a little longer than the third joint: chest bluish green, 

 adorned with a coppery tinge and slightly covered with white 

 bloom in front ; scutcheon blue : abdomen nearly elliptical, a little 



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