TACHINA. 19 



d. Facialia without bristles. Species 148. 



d d. Facialia bristly for one-fourth of the length. Species 149, 



150. 

 d d d. Facialia bristly for one-half of the length. Sp. 151-156. 

 d d d d. Facialia bristly for tliree-fourths of the length. Spe- 

 cies 157. 

 d d d d d. Facialia bristly for nearly the whole length. Species 

 158. 

 b h. Costal vein and prsebrachial vein ending near the tip of the 

 ^'m^.—Taclilnu D. b, Meig. Zw. iv. 400. pi. 40. f. 4, Z^.—Flmjno 

 p., Uesv. — Euriyjaster p., Mcq. — Graosomce p., Desv. — Myobia p., 

 Mcq. 



c. Eyes bare. — Roesella, Desv.^— Dcyeeria p., Meig. Zw. vii. — 

 Masicera p., Meig. Zw. vii. 

 d. Sixth joint of the antennae forming an angle wdth the fifth. 



Species 159. 

 d d. Sixth joint of the antennse not forming an angle with the 

 fifth. Species 160-163. 

 c c. Eyes hairy. — Boria, Meig. Zw. vii. — Plwrocera p., Meig. Zw. 

 vii. Species 164, 165. 

 h b b. Prsebrachial vein united to the cubital near the tip. — TucJuna 

 D. 0, Meig. Zw. iv. 416. pi. 40. f. 4, 26. 

 c. Eyes bare. — BaumJuaieria, Meig. Zw. vii. — Masicera p., Meig. 



Zw. vii. — Hypostena, Meig. Zw. vii. Species 166, 

 c c. Eyes hairy. — Falloua, Meig. Zw. vii. — Exorista p., Meig. 

 Zw. vii. Species 167. 

 h b b b. Praebrachial vein united to the cubital at some distance from 

 the tip. Eyes bare. — Tacldna D. d, Meig. Zw. iv. 418. pi. 40. 

 f. 4, 25. — ScopoUa, Meig. Zw. vii. Species 168. 



1. grossa, L. Fn. 1837 (1761); U. G. ; Gmel. ; Pz. ! Fn. xxx. 

 21; Dumr. ; Latr. ; Fal. ; Meig.; Mcq.; Desv.; Zett.; Reaum ; Hbst.; 

 Har. Picea, capite ilavo, antennis fulvis, alis hyalinis, alulis cinereis, 

 pedibus nigris. Long. 8; alar. 18 lin. 



Piceous. Head yellow. Frontalia ferruginous, slightly striated. 

 Epistoma very prominent. Palpi yellow. Antenna? tawny ; third joint 

 black, tawny at the base, deepening from the base to the tip, which is 

 truncated, hardly half the length of the second ; fifth a little longer 

 than the fourth, the two full one-third of the length of the sixth. 

 Wings hyaline, slightly yellow at the base ; praibrachial vein forming a 

 hardly obtuse angle at its fiexure, near which it is curved inward, and 

 is thence almost straight to its. tip; discal transverse vein with the 

 hind curve less distinct than the fore one, its distance from the border 

 less than its own length. Alute dark grey. Legs black; tibia) red 

 beneath. 



Not common. (E.) 



