162 Tachinidae. 



with the whole face yellow and jowls yellow or more reddish. Frontal 

 stripe brown, seen from in front pale pruinose. Orbits sparingly 

 with fine hairs; jowls black-haired. Occiput bluish, greyish pruinose, 

 with yellow hairs and black hairs behind postocular bristles. Antennæ 

 yellow, third joint brown dorsally towards apex; the joint is about 

 four times as long as second. Palpi yellow. Thorax bluish and bluish 

 grey pruinose, with three broad dark stripes; it is black-haired. 

 Abdomen deep blue, sometimes more or less greenish or golden 

 green, shining; it is black-haired with a row of more or less numerous 

 marginal bristles on fourth and a single or sometimes double dense 

 row on fifth segment. Genitalia large and protruding, black, densely 

 hairy, the forceps bent in under venter. Legs black. Wings a little 

 brownish tinged; veins black; discai angle rectangular and apical 

 cross-vein curved strongly outwards a little above the angle. Squa- 

 mulæ dirty whitish, the lower hairy on upper surface. Halteres brown 

 or blackish. 



Female. Similar; frons fully as broad as the eye; marginal 

 bristles on fourth segment strong and fifth quite covered with strong 

 bristles. 



Length 8 — 14 mm. 



C. mortuorum is common in Denmark, though generally not 

 present numerously; Copenhagen, Amager, Ordrup Mose, Ermelund, 

 Egebæks Vang, Bidstrup Hegn, Donse, Grib Skov, Jyderup; on 

 Lolland at Nysted; on Falster; in Jutland at Horsens, Hattenæs 

 near Silkeborg and Frederikshavn, and on Bornholm; the dates are 

 ^"/s — 79- I have taken it in copula on ^^/j. 



Geographical distribution: — All Europe and towards the north 

 in Greenland to at least 70'' L. N. Also recorded from North America 

 at Behring. 



24. Cngyzops Rond. 



{Eggisops.) 



Small black very slightly pruinose species. Head as broad as 

 thorax, slightly convex behind, liigher than long. Frons in male 

 narrow, in female broad, not protruding; cheeks narrow; jowls 

 not half as broad as the eye is high. In female there are inner and 

 outer vertical and two orbital bristles. Postocellar and occipital 

 bristles relatively strong. Occiput all black-haired. Frontal bristles 

 reaching to insertion of antennæ, in female the uppermost directed 



