Empididae. 211 



Tahle of Species. 



1. Wings with a brownish patch from the stigma down to- 



wards the discai cell; tarsi pale 1. Gyllenhali. 



— Wings without any brownish patch; tarsi with the four 



last joints more or less blackish 2. myricae. 



1. Eu. Gyllenhali Zett. 



1838. Zett. Ins. Lapp. 538, 1. (Anthalia). — 1842. Zett. Dipt. Scand. I, 

 249, 1. (Anthalia). — 1862. Schin. F. A. I, 79. (Anthalia). — 1903. Kat. 

 palåarkt. Dipt. II, 262. 



Male. Eyes touching; epistoma black, sliining. Proboscis only 

 half as long as the head is high or slightly longer; palpi blackish, 

 with some hairs. Occiput black, slightly greyish, with black, down- 

 wards with pale hairs. Antennæ black or brown, the third joint 

 rather broad. Thorax black, shining; it is clothed with somewhat 

 short, pale hairs, forrning about imiserial dorsocentral and quadri- 

 serial acrostichal rows; the hindmost hair in the dorsocentral rows is 

 long. A distinct notopleural and postalar bristle present, both pale 

 yellow. Scutellum with four pale marginal bristles. Metapleura 

 black, shining. Abdomen likewise black, shining, clothed with pale 

 brownish or yellowish hairs, those at the hind margin of the seg- 

 ments a little stronger. Venter similarly coloured, a little shorter 

 haired. Legs yellow, hind femora and tibiæ a little brownish in the 

 middle. The legs are short-haired with yellowish hairs, hind femora 

 with somewhat longer hairs above. Wings hyaline. Veins more or 

 less pale brown. Stigma brown; from the latter a brownish patch 

 goes downwards towards the discai cell; anal vein long, straight, 

 but not quite reaching the margin. Balteres yellow or whitish 

 yellow. 



Female. Similar to the male; eyes separated, frons black, shining; 

 legs as in the male, but the hind legs not browned. Ovipositor short. 



Length 2,3 — 2,6 mm. 



Eu. Gyllenhali is very rare in Denmark, only three specimens, 

 a male and two females, are known; Ordrup Mose (Stæger); on Lol- 

 land in Bukke Skov (Schlick); the dates are ^^/c— 'Vt. 



Geographical distribution: — Northern and middle Europe down 

 into Carinthia; towards the north to northern Scandinavia. 



2. Eu. myricae Hal, 



1851. Hal. Walk. Ins. Brit. 1, 111, 2. — 1903. Kat. palåarkt. Dipt. II, 

 262. — Rhamphom^jia consohrina: 1838. Zett. Ins. Lapp. 541, 70. — 

 Anthalia rostmta: 1842. Zett. Dipt. Scand. I, 250, 2, et 1849. VIII, 2998, 2. 



14* 



