130 Orthorrhapha brachycera. 



Loew, Linn. Entom. I. 384, 1. — 1862. Schin. F. A. I, 67. — 1903. Kat. 

 palåarkt. Dipt. II, 204. 



Male. Frons transverse, slrongly protruding, together with face 

 and occiput grey, whitish along the anterior eye-margins; frons and 

 face with long, erect black hairs, at the mouth aperture whitish hairs; 

 posterior eye-margin with yellow or brownish hairs which are long 

 and erect above. Antennæ black. Thorax dark grey or blackish, 

 with two indistinct, lighter, longitudinal stripes in front; it is some- 

 what sparingly clothed with erect, whitish or pale yellowish hairs. 

 Pleura clothed in the same way, there are long hairs especially 

 on the posterior part of the mesopleura; metapleura without hairs. 

 Abdomen dull black, clothed with long, erect hairs which are more 

 whitish than on thorax; they are somewhat indistinctly arranged in 

 transverse rows; at the apex there are a few dark or blackish hairs. 

 Venter grey with long, whitish hairs. Legs blackish or dark brown, 

 the femora with longish, white hairs below. Wings hyaline, the me- 

 diastinal cell yellowish tinged; veins pale brown; the cubital fork 

 somewhat long and thus the base of the fork lying over the cross- 



Fig. 44. Wing of P. imlicaria. 



vein closing the discai cell apically, or nearer the base of the wing; 

 the two posterior branches issuing from the discai cell somewhat 

 converging. Halteres yellowish, the knob more or less darkened. 



Female. Ground colour lighter grey than in the male, and the 

 two lighter stripes on thorax broader, thorax thus being nearly light 

 grey with a dark middle line. Jowls and the lower part of occiput 

 whitish yellow, on the latter a dark middle stripe stretching to the 

 posterior edge of the mouth aperture; on each side of the face from 

 the base of the antenna to the eye a dark brown spot which stretches 

 somewhat downwards along the eye ; frons broad, grey, the inner and 

 posterior eye-margins whitish yellow to a greater or less degree, the 

 whitish yellow margin being broader or narrower, sometimes some- 

 what indistinct; frons with depressed and some erect, yellow hairs, 

 cheeks and jowls with whitish hairs, on the dark spots at each side 

 of the antennæ blackish or brownish hairs. Occiput with erect, not 

 long, yellow hairs. Thorax with the humeral cailus, a stripe from 



