Exorista. 309 



Tahle of Species. 



1. Four sternopleural bristles 2. 



— Three sternopleural bristles 4. 



2. No ocellar bristles 1. lota. 



— Ocellar bristles present 3. 



3. Palpi black; frontal bristles not descending to middle of 



cheeks; discai bristles on abdomen more or less distinct. . 2. cincinna. 



— Palpi yellow; frontal bristles descending to middle of 



cheeks; no discai bristles on abdomen 3. confinis. 



4. Palpi yellow, at all events at apex 5. 



— Palpi black 7. 



5. Three postsutural dorsocentrals; only one row of post- 



ocular bristles 4. affinis. 



— Four postsutural dorsocentrals; black bristles present 

 behind postocular bristles 6. 



6. Third antennal joint about four times as long as second; 

 only one upper reclinate frontal bristle; palpi yellow only 



at apex or on apical half 5. hortulana. 



-- Third antennal joint shorter; two upper frontal bristles 



reclinate; palpi more yellow 6. glauca and 



7. quadriseta. 



7. Four scutellar bristles on each side 8. 



■ — Only three scutellar bristles on each side 11. hirtipilis. 



8. Third antennal joint about five times as long as second; 



apical cross- vein not very sloping 8. Westermmini. 



— Third antennal joint shorter, or if not the hairs on or bits 

 produced downwards on the cheeks below the frontal 

 bristles 9. 



9. Hairs on orbits continued on the cheeks below the frontal 

 bristles; apical cross- vein rather sloping, third antennal 



joint about thrice as long as second 9. mitis. 



— Hairs on orbits not continued below frontal bristles; apical 



cross- vein more steep; third antennal joint shorter 10. fimbriata. 



1. E. lota Meig. 



1824. Meig. Syst. Beschr. IV, 326, 150 (Tachina) et 1838. VII, 255, 9, <S . 



— 1891. B. B. Denkschr. Akad. Wiss. Wien, LVIII, 346 {Sisyropa). — 1900. 

 Villen. Bull. Soc. Ent. de Fr. 160, 23 et 1907. Wien. Ent. Zeitg. XXVI, 248, 7. 



— 1907. Kat. palåarkt. Dipt. III, 237 p. p. {Carcelia). — 1913. Villen. Wien. 

 Ent. Zeitg. XXXII, 120, 4 (Sisyropa). — 1924. Stein, Arch. f. Naturgesch. 90,6, 

 78, 15. — TacJiina rapida Meig. 1824. 1. c. IV, 326, 151 et 1838. VII, 255, 11, ?. 



— E. immunita Pand. 1896. Eev. Entom. XV, 28, 45. — 1907. Villen. Ann. 

 Soc. Ent. de Fr. LXXVI, 387. 



This species is characterised by the want of ocellar bristles; I 

 possess only the female, Frons above fully as broad as the eye, only 

 little protruding. Orbits broad, twice as broad as the frontal stripe, 



