Dohrniphora. 155 



on windows. It occurs during the whole summer, my dates are ^U — ^^/lo. 

 I have taken it in copula between ^/e and ^7io. Pupæ were taken in 

 Dyrehaven on a dead Lacerta on Vs and developed on ^^U (Kryger). 

 Geographical distribution: — Cosmopolitan or almost so; Europe 

 down into Spain, towards the north to middle Sweden; it is very 

 common with us, but seems to be more rare farther towards the 

 north. It is also recorded from the Canarian Islands, and it occurs 

 likewise in North America. 



3. D. abbreviata v. Ros. 



1840. V. Eos. Wiirttemb. Correspondenzbl. I. 61 (Phora). — 1901. Beck. 

 Abhandl. zool. bot. Gesell. Wien, I, 22, 9, Taf. I, Fig. 10-11 {Phora). - 1906. 

 Wood, Ent. Month. Mag. 2, XVII, 195, 265 (Phora). - 1910. Kertész, Cat. 

 Dipt. VII. 388 {Phora). - 1914. Brues, BuU. Wisc. Nat. Hist. Soc. XII, 92. 

 — 1918. Schmitz, Jaarb. Natuurh. Genootsch. Limburg 1917, 109 et 1920. 

 ibid. 1919, 103. — Phora sordidipemiis Leon Duf. 1841. Mern. Soc. Se. Lille, 

 422, fig. 21. - 1864. Schin. F. A. II, 344. — 1892. Strobl, Wien. Ent. Zeitg. 

 XI, 197, 14. 



Male. Frons considerably higher than broad, black, shining; 

 bristles strong, the middle row very concave in front, the anterior 

 row a little convex; the supraantennal bristles only a little smaller 

 than the others. Antennæ of ordinary size, reddish brown, third joint 

 a little elongated and pointed; arista very short-pubescent. Palpi 

 well developed, yellow or orange, with well developed bristles. Pro- 

 boscis yellow. Thorax black, almost dull, with black pubescence 

 and one pair of dorsocentral bristles, but besides there is a transverse 

 row of smaller bristles at the hind margin of the disc. Scutellum 

 with four equal and strong bristles. Abdomen black, a little greyish, 

 dull, first segment yellow; second and sixth segments elongated. 

 Hypopygium with the anal tube yellow on the apical half. Legs yellow, 

 also the coxæ, hind tibiæ darker and hind femora blackish on the 

 apical part; the posterior, especially the hind femora rather dilated; 

 front tibiæ with a dorsal bristle at the upper third, middle tibiæ 

 with a pair at the upper fourth and one small anterior bristle at apex, 

 hind tibiæ with three anterodorsal bristles in the upper two thirds and 

 one smaller at apex; further both middle and hind tibiæ have some 

 bristles round the end besides the apical spurs; middle tibiæ with 

 an anterior row of fme bristles in the apical half, and hind tibiæ 

 with a similar posterodorsal row in the whole length and with three 

 rows of palisade-like hairs as the posterodorsal row is doubled. Wings 



