g2 Orthorrhaplia l)iachyceia. 



found a female of this species with another female of the same 

 species as prey, and another time with an Ichneumonid which was 

 as large as itself. Poulton 1. c. records from England as prey for this 

 species: Aphodius fimetarius L., Polydrosus cervinus L., Hepialiis hec- 

 tus L., Tipula scripta Meig., Empis punctata Meig., Syrphus nitidi- 

 collis Meig., Myopa huccata L., Varichæta nemorum Meig., Acantho- 

 coris sylvestris L. 



Geographical distribution: — Northern and middle Europe down 

 into northern Italy; towards the north to Lapland. 



2. N. cothurnatus Meig. 



1820. Meig. Syst. Beschr. II, 317, 16 (Asilus). — 1849. Low, Linn. 

 Entom. IV, 88, 50 (Itamus). — 1855. Zett. Dipt. Scand. XII, 4562, 3—4 

 (Asilns). — 1862. Schin. F. A. I, 155 (Asilus). — 1903. Kat. palåarkt. 

 Dipt. II, 154. 



Male. Face yellowish white; epistomal beard black above, while 

 below, the blacli hairs continuing down the sides. Palpi black with 

 black and yellow hairs. Frons and vertex dark grey with long, black 

 hairs. Occiput grey; occipito-orbital bristles black, curved strongly 

 forwards; the hairs white. Antennæ black, the first two joints with 

 black hairs which are long below. Thorax grey, the stripes blackish, 

 the middle stripe with a distinct median line; the disc clothed with 

 relatively long, black hairs which are longer behind; the bristles black, 

 the dorsocentral rows continued beyond the middle. Scutellum with 

 erect, pale hairs and long, black marginal bristles. Pleura greyish 

 pruinose with somewhat long hairs which are black above, whitish 

 downwards; the long hairs on meta- and hypopleura yellowish. Ab- 

 domen blackish; with the light from behind slightly shining with the hind 

 margins of the segments grey and with indistinct, grey side margins; the 

 last segments not bluish. Venter dark grey. Abdomen clothed with 

 longish, yellowish hairs, along the middle line and to some degree on 



the front parts of the segments the hairs 



are black; there are long, pale yellow 



bristles at the lateral hind margins of 



the segments. Vente-r sparingly clothed 



with long, pale hairs, on the two last 



segments the hairs are black. The geni- 



Fig. M. N. cothurnatus, talia black ; the upper forceps short but 



male forceps. broad, the arms with a protruding knob 



attheapex; the lower forceps very short, also the inner, crescent-shaped 



branch; the ventral lamella black, shining. The hairs on the genitalia 



black, below some yellow hairs. Legs with the coxæ greyish pruinose 



