Tabanidae. 101 



side at the hind margins of the segments, tiie spots are large on the 

 second segment. The two first segments on the dorsal side witii 

 yellow hairs, on the ventral side witli gray hairs; the following seg- 

 ments on the dorsal side with black, at the apex with fulvous hairs, 

 on the ventral side dark haired, only on the side spots with white 

 hairs. Legs with the femora black; the posterior tibiæ white, black 

 at the apex, the front tibiæ black, the basal half white on the front 

 side; the front tarsi black. the posterior whitish, with the ends of the 

 joints darkened; the front legs blackish haired, but with white hairs 

 in the pale spots; the posterior femora with yellowish grey hairs; 

 the posterior tibiæ white haired, on the hind tibiæ a white ciliation. 

 Wings hyaline ; balteres brownish with a paler knob. 



Female. Eyes with four, somewhat curved bands. Front black, 

 yellow haired; face whitish grey pruinose with yellow hairs. Palpi 

 dark grey. Thorax more brownish than in the male, with two narrow, 

 distinct, grey lines, reaching to the middle. The rest as in the male. 



Length 12,5 — 13,5 mm. 



This species had hithertho not been fomid in Denmark, and I 

 therefore was somewhat astonished, when I caught on the ^'Vt 1906, 

 a very hot day, a single female on a cow in Ordrup Mose together 

 with specimens of T. bovinus, soJstitialis, hromius, H. pluvialis and 

 italica, but it must in consequence be very rare here. 



Geographical distribution : — The species is distributed in the 

 middle Europe, and seems to have its northern limit in southern 

 Scandinavia. Wahlberg 1. c. records the capture of only one specimen 

 in East Gotland; it is not known in Britain. 



3. Hæmatopota Meig. 



Species of middle size, of a somewhat slender form, and of greyish 

 to greyish black colour, with greyish or whitish spots. Head low and 

 broad, broader than the thorax and much broader than high, distinctly 

 excavated behind. Face broad; yowls only very little descending below 

 the eye margin ; from the antennæ towards the mouth edge on each 

 side of the epistoma a descending, impressed line, ending in a groove. 

 Antennæ six-jointed, first and third joint long, the second small, the 

 three last joints forming an annulated style; first joint often thickened, 

 especially in the male. Eyes in the male densely hairy, in the female 

 only slightly so; in the male the facets in about the upper two thirds 

 larger than below, the dividing line sharp ; colour of the eyes greenish, 

 in the male the part with the small facets has two zigzag-bands and 

 the lower margin bluisli, while the female has on the whole eye three 



