12 Orthorrhapha brachycera. 



yellowish hairs, the median dorsal lamella ferrugineous to blackish. The 

 legs yellow, the coxæ grey; the trochanters have a black point on 

 the inside at the tip; the hind femora have a more or less distinct, 

 longitudinal black stripe on each side which is broadest behind, the 

 middle femora may show traces of a similar stripe and, more rarely, 

 also the front femora; the hind tibiæ have a rather broad black 

 stripe on each side which become broader on the apical part and 

 hare the two stripes unite, this part of the tibiæ thus being black; 

 the anterior tibiæ have a black stripe along the front side. The 

 tarsi and the claws are black, the larger basal part of the metatarsus 

 and the utrnost base of the second joint yellow. Legs clothed with 

 short, yellowish hairs, and the front and hind tibiæ have the common 

 dense pubescence apically on the ventral side. The longer bristles on 

 the tibiæ are whitish to yellow; the bristles on the tarsi are pale at the 

 base of the tarsus but black towards the end. The wings are somewhat 



Fig. 4. Wing of L. cylindrica. 



short, very slightly yellowish with dark brown veins ; the branches of the 

 cubital and discai veins are curved somewhat downwards; the peduncle 

 of the second cubital cell from the medial cross-vein is longer than 

 the peduncle of the second posterior cell; the fourth posterior cell 

 has generally a short peduncle. The balteres are yellow, the knob 

 often slightly darkened. 



Female. With exception of the genital differences quite agreeing 

 with the male, only the dorsal stripe on abdomen is narrower towards 

 the end on account of the more pointed abdomen. 



Length 7 — 14,5 mm. ; individuals of the smallest size are less common ; 

 generally the females reacli the greatest length. 



L. cylmdrica is common in herbage and high grass in nearly 

 all localities, both in woods on somewhat open piaces, on fieids and 

 meadows and also on commons near the shore and along streams; 

 Vesterfælled, Dyrehaven, Ruderhegn, Hillerød, Frerslev Hegn, Tisvilde, 

 at Sorø and Skelskor; on Funen at Odense, Lundeborg on the eastern 

 coast, Langensø and Faaborg; in Jutland in Nørholm Skov near Varde, 

 at Haslund near Randers, on Læsø and fmally on Bornholm at Rø 

 and Hasle. My dates are ^k — ^/s. 



