Empididae. 217 



incision in the inner eye-margin is absent in Hydropliorus, and the 

 antennal arista is not terminal. 



Of the genus 55 species are known from tlie palæarctic region; 

 6 have hitherto been found in Denmark. 



The genus has by Mik been divided into a number of genera, 

 which have, however, scarcely higher rank than subgenera. 



Tahle of Subgenera. 



I. Wings without stigma; no acrostichal bristles; cheeks 



and jowls separated 2. 



— Wings with stigma; acrostichal bristles present; cheeks 



and jowls confluent 3. 



"2. Wings not spotted; discai cell somewhat pointed to- 



wards the apex I. Clinocera. 



— Wings spotted ; discai cell truncate at the apex II. Heleodromia. 



3. All femora with a pair of præapical bristles ; wings 



with somewhat strong bristles on the costa; stigma 



elongated III. Eucelidia. 



— Femora without præapical bristles; wings without strong 



bristles on the costa; stigma roundish IV. Wiedemannia. 



I. Subg. Clinocera Meig. s. str. 

 Wings without stigma. Discai cell not long, but somewhat pointed 

 outwards; anal vein not going beyond the anal cell. Glypeus not 

 separated from epistoma; jowls not descending below the eyes, and 

 hence cheeks and jowls not confluent, but separated by an excision. 

 No acrostichal bristles. and no small bristles in the dorsocentral rows. 

 Scutellum with two bristles. 



One Danish species 1. nigra. 



1. Cl. nigra Meig. 



1804. Meig. Klass. eur. zweifl. Ins. I, 292, I, Tab. XIV, Fig. 20—25, 

 et 1820. Syst. Beschr. II, 113,1, Tab. XVI, Fig. 4. — 1858. Loew, Wien. 

 ent. Monatschr. II, 254, nota 3. — 1862. Schin. F. A. I, 85. — 1881. Mik, 

 Verhandl. zool. hot. Geseh. Wien, XXXI, 325, Tab. XVI, Fig. 4— 5. — 1903. 

 Kat. palåarkt. Dipt. II, 263. — Paramesia Roherti: 1835. Macq. Suit. a 

 Buff. II, 657, 2. — Chinocera Roherti: 1858. Loew, Wien. ent. Monatschr. 



II, 254, 9. — 1862. Schin. F. A. I, 84. — Heliodromia unicolor: 1834. 

 Curt. Brit. Entom. 513, 3. — Hemerodromia unicolor: 1862. Schin. F. A. 

 I, 83. 



Male. Frons and vertex dark olive-brown, greyish at the sides; 

 epistoma of the same colour, its lower margin greyish white. Palpi 

 blackish. Occiput grey, with black, bristly hairs above, fine, whitish 

 hairs below. Antennæ black. Thorax dark olive-brown, with three 



