Estheria. 267 



reaching hind margin; there are discai and marginal bristles, second 

 segment without bristles, fifth with bristles all over. Legs long, 

 especially tarsi long with long joints; claws and pulvilli in male 

 strongly elongated. Wings with first posterior cell petiolate, ending 

 a little before apex of wing; discai angle rectangular, and it may 

 have a short veinlet; costal spine small. 



Of the genus 4 European species are known, one occurring in 

 Denmark. 



1. E. Bohemanni Rond. 



1861. Rond. Atti. Soc. Ital. Se. Nat. IV, 144, 4 et 1862. Dipt. Ital. Prodr. 

 V, 81, 1 {Zeuxia). — 1891. B. B. Denkschr. Akad. Wiss. Wien, LVIII, 424. — 

 1907. Kat. palåarkt. Dipt. III, 443. — 1924. Stein, Arch. f. Naturgesch. 90, 6, 

 234, 2. — Dexia cristata Zett. (nec Meig.) 1844. Dipt. Scand. III, 1279, 16. — 

 1896. Pand. Rev. Entom. XV, 165, 2 (Zeuxia). — 1907. Villen. Ann. Soc. 

 Ent. de Fr. LXXVI, 394. 



Male. Frons narrow above, widening downwards, a little pro- 

 truding; cheeks broad. Head silvery pruinose; frontal stripe brown. 

 Orbits with fme hairs; jowls blaek-haired, Occiput grey, with black 

 and somewhat sparse yellowish hairs. Antennæ black or blackish, 

 second joint obscurely reddish; third joint about twice as long as 

 second. Palpi yellow, Thorax greyish black, grey or yellowish grey 

 pruinose with four dark stripes, the median narrow, abbreviated 

 behind, the lateral interrupted at the suture. Thorax with fme black 

 hairs; one posthumeral and three intraalar bristles. Apical scutellar 

 bristles crossing. Abdomen all grey or whitish or yellowish grey 

 pruinose, black-haired, with discai and marginal bristles; second 

 segment without bristles, third with pairs of discai and a pair of 

 marginal and fourth with pairs of discai and a row of marginal brist- 

 les. Fifth sternite cleft to about base. Legs black with tibiæ brownish 

 or reddish. Wings somewhat brownish tinged; veins brown. Squamulæ 

 yellowish white with yellow margin. H alteres brownish yellow. 



Female. Quite similar but with frons broad, fully as broad as 

 the eye. 



Length 7,5 — 9 mm. 



E. Bohemanni is rare in Denmark ; Ordrup Mose, Dyrehaven 

 (Stæger), at Fure Sø (the author) and in Jutland at Horsens (O. G. 

 Jensen). 



Geographical distribution: — Europe; towards the north to 

 northern Sweden. 



