122 



Tachinidae. 



not reaching end of second antennal joint. Orbits and jowls with 

 black hairs. Occiput blackish, silvery along the eye-margin, with 

 nearly all black hairs, only some pale below. Antennæ short, black, 

 basal joints sometimes brownish, third joint almost not longer than 

 second; arista short, thickened in about basal third or more, slightly 

 pubescent. Palpi brownish yellow. Thorax black or bluish black, 

 shining, hiimeri greyish pruinose and in certain views also the disc; 

 it is black-haired; a posthumeral and two intraalar bristles. Sterno- 

 pleura with hairs besides the two bristles. Abdomen black or bluish 



black, shining, with black hairs and marginal 

 bristles, a pair on second and a pair or more 

 on third segment besides the lateral, and a 

 row on fourth and fifth segment. Genitalia 

 small. Legs black; front femora rather 

 hairy; tarsi with the last joint somewhat 

 long. Wings nearly clear; veins brown or 

 pale brown; first posterior cell long-petiolate, 

 ending just before apex of wing. Squamulæ 

 white. Halteres black. 



Female. Similar; frons broader, about 

 as broad as the eye. Abdomen ending with 

 a small median process and a forceps, the 

 arms of whicli are elongated triangular, 

 curved inwards and spined below. 

 Length 4 — 4,5 mm. 

 L. simplex is rare in Denmark, we have only four specimens, a 

 male and three females; Lundtofte and at Egholm on Lolland; the 

 dates are ^^e — ^"/s- 



Geographical distribution: — Europe; towards the north to 

 middle Sweden, and in Finland. 



Fig. 21. L. simplex $, 

 abdomen. 



14. Ocyptera Latr. 



Elongated species of large to medium size; colour black, but 

 nearly always abdomen red except base, or except base and apex, 

 or only at the sides. Head broader than thorax, convex behind and 

 much pufTed out below. Frons somewhat broad, broadest in female, 

 somewhat protruding. Jowls not broad, about one fourth of the height 

 of the eye. In both sexes small, more or less individualised ocellar 

 bristles, and inner but no outer vertical bristles; in female two orbitals. 



