Heteropterina. 233 



than long. Frons in male not fnlly as broad as the eye, in female a 

 little broader, slightly protruding. Jowls narrow. In both sexes 

 ocellar, inner and outer vertical and two orbital bristles. Behind 

 postocular bristles black hairs. Frontal bristles reaching to lunula, 

 about tliree upper reclinate. Clieeks with a series of qiiite fine hairs. 

 Vibrissæ not ascending, the ridges a little converging below; a large 

 vibrissa present. Epistoma slightly retreating, somewhat reflected 

 and prominent below. Proboscis somewhat short. Palpi small, thread- 

 like. Antennæ inserted slightly above middle of the eye, third joint 

 somewhat longer than second; arista almost bare. Tliorax about 

 qiiadratic; three postsutural dorsocentrals and three unpaired præ- 

 sutural acrostichals. Scutellum with three marginal bristles on each 

 side. Two sternopleural bristles. Above on pteropleura a small bristle. 

 Abdomen elongated conical; excavation on second segment not 

 reaching hind margin; only marginal bristles, on second segment 

 none. Legs not strong and not strongly bristled. Claws and pulvilli 

 in male somewhat elongated, the claws thin. Wings with the anterior 

 veins somewhat short and apical and posterior cross-vein very 

 obhque; first posterior cell closed at the margin, ending long 

 before apex of wing; discai vein to the angle rather short, angle 

 obtuse, with a long veinlet; a moderate or small costal spine 

 present. 



Of the genus four European species are recorded, one occurring 

 in Denmark. 



1. H. heteroneura Meig. 



1830. Meig. Syst. Beschr. VI, 367, 18 {Miltogramma). — 1844. Zett. Dipt. 

 Scand. III, 1214, 16 {Miltogramma). — 1862. Schiii. F. A. I, 503, ?. — 1895. 

 Pand. Eev. Entom. XIV, 313, 5. — 1900. Villen. Bull. Soc. Ent. de Fr. 381, 17 

 {Miltogramma). — 1907. Kat. palåarkt. Dipt. III, 517. — 1924. Stein, Arch. f. 

 Naturgesch. 90, 6, 224, 1. — H. multipunctata 1862. Schin. (nec Rond.) F. A. I, 

 503, c?. 



Male. Frons not as broad as the eye, slightly protruding. Orbits 

 and face whitish pruinose; frontal stripe brownish. Orbits bare; 

 cheeks with a row of fme, short hairs; jowls with black hairs. Occiput 

 greyish, with some partly brownish hairs below, almost bare above, 

 but with black hairs behind the postocular bristles. Antennæ short, 

 black, second joint yellowish, third somewhat longer than second; 

 arista thickened in basal part. Palpi yellowish or brownish. Thorax 

 greyish or yellowish grey pruinose, with three more or less distinct 



