Zenillia. 341 



from Dr. Bengtsson porcula is not found now in Zetterstedt's col- 

 lection. — After a communication from Dr. Villeneuve is stolida 

 Stein 1. c. a variety of the present species. 



3. Z. puUata Meig. 



1824. Meig. Syst. Bcschr. IV, 351, 211 {Tachina) et 1838. VII, 261, 3 

 {Phorocera). - 1907. Kat. palåarkt. Dipt. III, 280. — 1921. Baer, Zeitschr. 

 f. angew. Ent. VII. 153. — 1924. Stein, Arcli. f. Naturgesch. 90, 6, 108 {Tri- 

 tochaeta). Phorocera polleniella Rond. 1859. Dipt. Ital. Prodr. III, 163, 2. 

 1891. B. B. Denkschr. Akad. Wiss. Wien, LVIII, 338 [Tritochaeta). — Tri- 

 tochaeta prosopoides B. B. 1889. 1. c. LVI, 165, Tab. II, Fig. 35. — Zenillia 

 lihatrix Pand. (nec Panz.) 1895. Rev. Entom. XIV, 339, 12. — 1907. Villen. 

 Ann. Soc. Ent. de Fr. LXXVI, 384. 



Male. Frons above about as broad as the eye, a little protruding; 

 orbits much broader than frontal stripe; jowls one third of the height 

 of the eye. Orbits greyish or brownish grey; cheeks silvery; jowls 

 grey ; frontal stripe velvet brown. Very weak, almost not individualised 

 outer vertical bristles. Frontal bristles descending about to insertion 

 of arista, two uppermost reclinate. Vibrissæ ascending above the 

 middle, strong and distant. Orbits and jowls with black hairs. Occiput 

 grey, with yeilowish hairs and rows of black hairs behind postocular 

 bristles. Eyes pale-hairy. Antennæ black, second joint short, fourth 

 about four times as long; arista somewhat short, shorter than antennæ, 

 thickened in basal half. Palpi dark yeilowish, blackish on basal part. 

 Thorax black, shining, greyish pruinose, with four black stripes, 

 the median abbreviated behind, the lateral interrupted at the suture, 

 divided into two spots; scutellum yellow on apical part. Thorax 

 black-haired; apical scutellar bristles small, crossing. Three sterno- 

 pleural bristles. Abdomen black, shining, the three last segments 

 brownish grey pruinose, shifting to dark according to view; narrow 

 hind margins and a more or less distinct middle stripe black. Abdomen 

 black-haired, with a pair of discai and marginal bristles on third 

 and a pair of discai and a row of marginal on fourth segment; second 

 segment without or with a pair of very weak marginal bristles. Legs 

 black; claws and pulvilh a little elongated. Wings a little tinged; 

 veins yellow to brown; first posterior cell narrowly open, ending 

 near apex of wing; discai angle obtuse; a small costal spine present. 

 Squamulæ yeilowish with a deeper yellow margin. Halteres dark 

 yellow. 



Female. I have not seen this sex. 



