LIST OF DIPTERA. 



other, which is outward ; scales yellowish, with yellow borders. 

 Length of the body 4 lines ; of the wings 7 lines. 

 a. England. 



Tachina ? 



Third joint slender, nearly linear, much longer than the se- 

 cond, but not twice its length, flat above, slightly concave beneath, 

 almost truncate at the tip ; bristle naked, thick for less than one- 

 third of its length from the base, very slender from thence to the 

 tip ; first and second joints very short. 

 a. England. 



Group VII. Panzeria, Desv. Essai Myod. 68. 



Group VIII. Meriania, Desv. Essai Myod. 69. 



Tachina strenua ? Meig. Dipt. iv. 249, 17. Zett. Dipt. Scand. iii. 

 1101, 98. Nemoraea strenua, Macq. Hist. Nat. Dipt. ii. 192, 

 14. Meig. Dipt. vii. 221, 12. Meriania silvatica? Desv. 

 Essai Myod. 70, I. 



Tachina bombylans? Meriania bombylans? Desv. Essai Myod. 



70. 



Third joint nearly linear, almost twice the length of the second 

 joint, very slightly concave above, and equally convex beneath, 

 hardly rounded at the tip ; bristle naked, rather thick towards the 

 base ; first and second joints very short. 



a. England. 



Group IX. Nemoraea, Desv. Essai Myod. 71. 



Tachina Thyamis, n. s. Nigra, capite albo, abdominis segmentorum 



marginibus posticis utrinque ferrugineis, palpis antennis pedi- 



busque nigris, tibiis ferrugineis, alis subcinereis. 



Body black, beset with black hairs and bristles : head covered 



with white bloom ; a pitchy stripe fringed with bristles between the 



eyelets and the feelers ; sides of the face without bristles ; epistoma 



not prominent : eyes pitchy, not hairy : sucker and palpi black : 



feelers black, almost as long as the face ; third joint linear, rounded 



