Dolichopodidae. 141 



Dipt. Scand. XI, 4294, agilis is not found in Scandinavia, and this 

 certainly is correct. Neither does it occur in England. 



41. D. simplex Meig. 



1824. Meig. Syst. Beschr. IV, 85,20. — 1831. Stann. Isis 1831, 126, 

 21. — 1842. Stæg. Krøyer's Tidsskr. IV, 31, 22. — 1843. Zett. Dipt. Scand. 

 II, 552, 43, et 1849. VIII, 3081, 43, et 1855. XII; 4629, 43. — 1862. 

 Schin. F. A. I, 220. — DoUchopus thalassinus Hal. 1831. Zool. Journ. V, 

 363, 17. 



Male. Vertex and frons green or bluish. Epistoma somewhat 

 narrow, whitish yellow. Palpi yellow. Occiput greenish, greyish 

 pruinose; postocular bristles yellowish below, black above. Antennæ 



Fig. 43. Antenna of D. simplex d, from the inside. X 65. 



a little elongated, about as long as the head, the third joint short, 

 shorter, or at all events not longer than broad, moderately pointed; 

 the basal joints are yellow, the second joint may be obscured or 

 nearly black, and the first joint may appear obscured above on ac- 

 count of the black hairs; the third joint black. Thorax generally 

 green, more rarely somewhat æneous, and sometimes bluish green; it 

 is slightly pruinose, somewhat shining; scutellum fmely yellow pube- 

 scent; postscutellum greenish, grey pruinose. Pleura greenish or more 

 æneous, grey pruinose; propleura with fine, pale hairs and a black 

 prothoracic bristle. Abdomen green, with more or less pronounced 

 golden or coppery reflexes, and with narrow, dark hind margins to 

 the segments, or these almost wanting; it is finely whitish pruinose 

 downwards, and it is clothed with short, black hairs, and has longish 

 hindmarginal bristles, a little longer on the first segment. Venter 

 greyish, slightly pale-haired. Hypopygium somewhat large, æneous 

 black, greyish pruinose; eighth segment with black hairs; there are 

 somewhat projecting posterior ventral lobes, with an apical point, 

 which is turned upwards; also the middle ventral lobe is somewhat 

 projecting on the left side; the inner lamellæ curved a little dov^n- 

 wards, the median thin and somewhat short, the lateral dilated and 

 with a dilatation at the apex; the outer lamellæ somewhat small, 

 roundish rectangular, whitish with a narrow, black margin along the 



