428 Tachinidae. 



Syst. Beschr. IV, 240, 3 {Tachina) et 1838. VII, 182, 3. — 1844. Zett. Dipt. 

 Scand. III, 994, 3. — 1862. Schin. F. A. I, 425. — 1896. Pand. Rev. Entom. 

 XV, 75, 4. — 1907. Kat. palåarkt. Dipt. III, 193. — 1921. Baer, Zeitschr. 

 f. angew. Ent. VII, 129. — 1924. Stein, Arch. f. Naturgesch. 90, 6, 43, 1.— E. 

 fulviceps Meig. 1838. 1. c. VII, 138, 10. — 1862. Schin. F. A. I, 426. —Æ^. ruficor- 

 nis Meig. 1838. 1. c. VII, 183, 9. — 1862. Schin. F. A. I, 426. — Tachina virgo 

 Meig. 1824. 1. c. IV, 243, 6 et 1838. VII, 182, 6. — 1844. Zett. 1. c. III, 995, 4. 

 — E. tetramera Zett. 1849. 1. c. VIII, 3216, 5—6. — E. magnicornis 1862. Schin. 

 (nee Zett.) 1. c. I, 426. 



Male. Frons above narrower than tlie eye, not miich protruding. 

 Head yellow priiinose, orbits more greyish and somewhat darkened 

 iipwards; frontal stripe brownish red. Frontal bristles descending a 

 little below insertion of antennæ, the rows curving strongly outwards 

 below, the uppermost bristle erect and directed a little outwards. 



Orbits with black hairs; cheeks and jowls 



^-~, / with fine black and yellow hairs. Occiput 



A y grey, with dense yellow hairs. Antennæ 



/'IV with second joint considerably longer 



J/',u"^ ^ than third, but not twice as long; third 



.x^^v,'' ; ' joint nearly circular; the antennæ are red, 



^^ ^\^ with third joint blackish or slightly red- 



^^^..g;^:^:^^^^^^ j dish at base, sometimes all reddish brown; 



V y arista short, basal joint short, second 



Fig. 89. E.fera S, antenna. somewhat elongated. Palpi yellow. Tho- 



rax black, somewhat æneous, shining, 

 in certain view a little whitish pruinose, especially on front part, 

 with indication of four black lines; humeri, postalar calli and scutel- 

 lum reddish brown. Thorax is black-haired; four postsutural dorso- 

 centrals and three to four præ- and postsutural acrostichals. Scutel- 

 lum with four marginal bristles on each side, the basal weak, and a 

 pair of discai and præapical bristles. Abdomen pale red or yellowish 

 red, with black triangular spots, forming a middle stripe, incised at 

 the incisures; the stripe is narrower or broader, narrowed behind, 

 and it does not reach the end; the segments are whitish pruinose on 

 the front part, especially the last. Abdomen is black-haired; second 

 segment with one or two marginal bristles on each side in the middle, 

 third with one to three, and fourth with a row of more or less numerous 

 bristles, interrupted in the middle. The sternites with only more or 

 less bristly hairs. The lamellæ of fifth sternite triangular, with long 

 hairs. Hypopygium knob-like, red; upper forceps black, long and 

 narrow, slightly dilated above, of a spine-like shape; it is densely 



