Empididae. 



89 



Fig. 26. E, punctata, 

 male genitalia. 



short in front, longer behind, uniserial, black. Further a humeral 

 bristle, a posthumeral, a notopleural and a postalar bristle, all some- 

 what long, black ; in the præsutural depression there are some very 

 small hairs. Scutellum grey, with two strong, black marginal bristles 

 and sometimes with two weaker. Pleura yellow, sternopleura and 

 hypopleura with a grey spot at their lower side; metapleura with 

 black hairs. Prothoracic spiracles more or less brown. Abdomen 

 yellow, somewhat shining, with a grey or blackish dorsal line, dilated 

 at the incisures, and with a line on each side 

 just at the venter ; this latter yellow. Abdomen 

 is haired with short, yellow hairs. The exterior 

 genitalia are large, the lower lamellæ directed 

 upwards and generally somewhat forwards; 

 they are excised in the hinder (forwards turned) 

 margin at the apex, and here densely beset 

 with longish black hairs; the upper lamellæ 

 protrude forwards between the lower, they 

 have the hinder upper angle drawn out into a 

 pointed lobe, this and the upper margin is 

 blackish; a triangular process from the upper lamellæ is seen pro- 

 jecting in the middle between the lower (backwards turned) margins 

 of the lower lamellæ. Penis is somewhat thick, thickest near the 

 base, and curved upwards and forwards; the ventral lamella is large, 

 arched, blackish at the upper margin. Legs yellow, tibiæ slightly 

 darkened towards the apex, tarsi black or blackish, generally paler 

 at the base, especially the hind tarsi; trochanters with a black point 

 at the apex, femora blackish just at the very apex. The legs are 

 short-haired, specially densely below; there are some few, small 

 bristles on the dorsal side of the tibiæ and on the anterior and 

 posterior side of the femora at the apex. The hairs are black or 

 brownish. Wings slightly yellowish tinged ; veins blackish or brown. 

 Stigma yellowish but very faint. Squamulæ with long hairs at the 

 margin. Halteres yellow. 



Female. Agreeing with the male; the ovipositor blackish, the 

 eighth ventral segment with a small, styliform process. 



Length 5,5 — 7 mm. 



E. punctata is not common in Denmark, and it has first in 

 later time been known as belonging to our "fauna; Tyvekrogen, Tis- 

 vilde, Nordskoven at Jægerspris; on Funent at Strib and in Jutland 

 at Ringkjøbing, Silkeborg, Moesgaard and Sminge near Silkeborg and 

 at Frederikshavn. My dates are Ve — ^^h, it is thus a somewhat early 



