Ocyptera. 127 



3. O. interrupta Meig. 



1824. Meig. Syst. Beschr. IV, 213, 5. — 1862. Schin. F. A. I, 414, p. p. — 

 1903. Villen. Wien. Ent. Zeitg. XXII, 39, 2. ~ 1907. Kat. palåarkt. Dipt. III, 

 431. -- 1924. Stein, Arch. f. Naturgesch. 90, 6, 176, 7. — O. setulosa Loew, 

 Stett. Ent. Zeitg. V, 237, 7. — 1894. Pand. Rev. Entom. XIII, 63, 8. — 1903. 

 Villen. 1. c. XXII, 38. 



Again this species is similar to the two preceding. Male. Head 

 as in the others and with similar bristles, but frontal stripe widening 

 at vertex; jowls black-haired. Occiput with some black hairs above. 

 Antennæ black, third joint aboiit one and a lialf times as long as 

 second. Thorax with median and lateral stripe confluent, so that 

 there are two broad black stripes, narrowly separated in the middle 

 and stopping just before the suture; behind the suture thorax black, 

 Scutellum with only one, the subapical, marginal bristle on each 

 side; rarely a weak basal bristle. Abdomen coloured as in auriceps, 

 with discai and marginal bristles, on second segment a various 

 number of paired discai and a pair of marginal bristles, on third 

 generally a pair of discai and of marginal, on fourth and fifth various 

 numbers of discai and a row of marginal bristles; eighth segment 

 with a pair of bristles; fourth sternite with a long, curved bristle 

 at each apical corner; fifth sternite small, slightly excised. Legs 

 black; tibiæ somewhat fringed, but less than in auriceps. Wings 

 with subcostal vein ending above medial cross-vein. 



Female. Similar, with the same differences from male as in the 

 other species. The apical corners on ventral side of second segment 

 and the ventral part of third with strong, short spinules; the twO' 

 last segments about as in auriceps. 



Length 6 — 7 mm. 



O. interrupta' i& not rare in Denmark; Lundtofte, Dyrehaven, 

 Hillerød, Egebæks Vang, Nyrup Hegn, Grib Skov, Humlebæk, 

 Tisvilde, Rørvig, Slagelse, AllindeHlle and Kværkeby; it has thus 

 only been found on Sealand; the dates are ^^/g — -^^/s- 



Geographical distribution: — Europe down into France; not 

 known north of Denmark. 



15. Lopliosia Meig. 



Elongated species of somewhat large size, black with slight 

 pruinosity. Head somewhat broader than thorax, somewhat convex 

 behind and puffed out below, higher than long. Frons broad, in male 



