TACHINA. 15 



b. Costal vein and prsebrachial vein ending at some distance in front 

 of the tip of the wing ; priebrachial vein much curved ; flexure 

 without a branch, or with a very short one. — Tacluna B. a, p., 

 Meig. Zw. iv. 246. pi. 40. f. 22. — Microcene, Desv. — Nemorcea, 

 Mcq. — Carcella p., Desv. — Stnometopla p., Mcq. 

 c. Eyes hairy. 



d. Body not or hardly metallic. 



e. Epistoma prominent. Species 7-9. 

 e e. Epistoma slightly prominent. Species 10-12. 

 e e e. Epistoma not prominent. Species 13-15. 

 d d. Body golden-green. — Gymnochfeta, Uesv. — Chrysnsonia, 

 Mcq. ; Meig. Zw. vii. pi. 70. f. 6-11 ; VVestw. Sp. 16. 

 c c. Eyes bare. Species 17-20. 

 b b. Costal vein ending at far in front of the tip of the wing. 



c. Praebrachial vein much curved, flexure emitting a long branch. 

 —TacJdna B. b, Meig. Zw. iv. 258. pi. 40. f. iZ.—AtithopMlce, 

 Desv. — Micropalpus, Mcq.; Meig. Zw. vii. Species 21. 

 c c. Prsebrachial vein straight from near its flexure to its tip. Eyes 

 hairy.— Tac/ima B. c, Meig. Zw. iv. 263. pi. 40. f. 2S.—Nenio- 

 reea p., et Macqiiartia p., Meig. Zw. vii. Species 22. 

 b b b. Costal vein and prsebrachial vein ending at or near the tip of 

 the w'mg.—Tachma B. d, Meig. Zw. iv. 267. pi. 40. f. 30. 

 c. Eyes hairy. — Maciiuurtla p., Erebia, Labld'uj aster, et Ilarr'ma 

 p., Meig. Zw. vii. 



d. Prsebrachial vein forming a right angle at the flexure. Sp. 23. 

 d d. Prajbrachial vein forming a very obtuse angle at the flexure. 

 Species 24-27. 

 c c. Eyes bare. — Clijtia, Tacluna p., et Macquartia p., Meig. Zw. vii. 

 d. Abdomen black. Species 28-31. 

 d d. Abdomen luteous. Species 32. 

 h b b b. Praebrachial vein united to the cubital vein near the tip of the 

 yimg.—Tacklna B. e, Meig. Zw. iv. 280. pi. 40. f. 26. 



d. Eyes bare. — Ptiloceratce, Desv. — Ptilocera, Mcq. — Gagatice 



p., Desv. — MelanopJiora p., Meig. Kl. ; Latr. ; Mcq. — Cisto- 



gaster p., Clista p., Leucostoma p., et Panzeria p., Meig. Zw. vii. 



Species 33. 



(Z </. Eyes hairy. — Ocyptera p., F. ; Pal. — OUviera, Desv. — 



Sericocera p., Mcq. — Panzeria p., Meig. Zw. vii. Species 31. 



h h h h b. Prtcbrachial vein united to the cubital vein at some distance 



from the tip of the wing. Eyes bare. — Tacluna B. f, Meig. Zw. 



iv. 284. pi. 40. f. 25. — Melanophora, Plesina, Gymnosoma ^.,Rld- 



nopliora p., et Leucostoma p., Meig. Zw. vii. 



c. Sixth joint of the antenucC stout for one-third of the length, or 



nearly so. Species 35, 36. 

 c c. Sixth joint of the antennae stout at the base. 



d. Sixth joint of the antenna? minutely pubescent. Sp. 37, 38. 



