LIST OF DIPTERA. 747 



Tachina Telestho, n. s. Cinerea, capite subtus ferrugineo, abdomi- 

 nis segmentorum marginibus anticis cano micantibus, margini- 

 bus posticis ventreque ferrugineis, palpis fulvis, antennis pedi- 

 busque nigris, alis subcinereis basi subfulvis. 

 Body black, covered with gray bloom, clothed with black hairs 

 and bristles : head slightly covered with gray bloom, ferruginous be- 

 neath the eyes and on each side of the epistoma, which is yellow and 

 not prominent, clothed behind and beneath with hoary hairs ; face 

 ferruginous, its sides without bristles : eyes dark red, not hairy : 

 sucker black, beset at the tip with pale tawny hairs ; palpi pale taw- 

 ny, beset with black bristles : feelers black, shorter than the face ; 

 third joint much longer than the second, flat above, convex beneath, 

 truncated at the tip ; bristle less than twice the length of the third 

 joint, its second joint longer than the first ; third joint stout for more 

 than one-third of the length, very slender from thence to the tip: 

 scutcheon and abdomen armed with spines : abdomen obconical, a 

 little longer than the chest, adorned with tawny reflections along 

 the fore borders of the segments ; hind borders and underside ferru- 

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

 cushions pale tawny : wings light gray, with a tawny tinge at the 

 base ; wing-ribs dark tawny ; veins black, tawny at the base ; tip 

 cross-vein forming a very obtuse angle with the fourth longitudinal 

 vein, slightly curved inward near the base, straight from thence to 

 the tip, joining the fore border at some distance above the tip of the 

 wing ; lower cross-vein with two very slight curves, the lower in- 

 ward, the upper outward. Length of the body 6 lines ; of the wings 

 5 lines. 

 a. England. 



Tachina tibialis, Fallen, Muse. 13, 23. Meig. Dipt. iv. 278, 67, 

 vii. 191, 47. Zett. Ins. Lapp. 637, 14. Dipt. Scand. iii. 1057, 

 51. T. sestiva, Meig. Dipt. iv. 278, 68. T. aestivalis, Macq. 

 Hist. Nat. Dipt. ii. 145, 24. 



a. England. 



Tachina ? 



a. North America. Presented by the Entomological Club 



Tachina Cerceis, n. s. Cinerea, capite cano micante, thoracis vittis 

 tribus nigris, abdominis fas ciis cinereo fulvis, palpis fulvis, an- 

 tennis pedibusque nigris, alis subcinereis. 



Body black, covered with gray bloom, clothed with black hairs and 

 bristles : head covered with hoary lustre, which has a tawny tinge 

 on each side of the crown, whose middle part is occupied by a black 



