160 AN ACCOUNT OF BRITISH FLIES. 
A. berolinensis, Mg. = A. pullus, Hal. 
Shining black. Head, palpi, and antennz black ; thorax slightly 
pubescent and somewhat shiny, black. Legs testaceous; femora 
deep black ; tibize and tarsi testaceous ; apex of tibize black. Hal- 
teres black. Wings limpid ; costal black ; first and second longi- 
tudinal veins black ; second incrassated at its junction with the 
costal. The other veins colourless. Length 1 to 1} lin. This 
appears to be a rare species from the few records. This is the only 
British species. 
Tipula, L. 
GENnus.—Dzilophus, Mg. = + Hirtea, F. 
Bibio, Lat. 
Body stout and elongated. Head longish in 2, broad in 2. 
Mouth parts: Labrum short; lingua lanceolate ; labium bilobed 
and hairy. The antennz 11-jointed, short, sub-moniliform, porrect ; 
joints of the first seven transverse, cyathiform, the third being large 
and petiolate ; first and second generally very hairy; eighth, ninth, 
tenth, and eleventh forming one elliptical mass. The palpi are long, 
5-jointed, with a few large hairs. The third joint is dilated ; the 
fourth and fifth elongated, slender. Eyes in the ¢ round and 
hairy, large and contiguous ; in the 2 small and oval. Ocelli three ; 
usually placed far back on the head in the 9 and squeezed into a 
small triangular patch at the hind border of the head in the ¢. 
Thorax very convex, covered with black hairs and having two trans- 
verse ridges in front. Abdomen hairy; seven to eight segments. 
Legs stout ; anterior tibiz crowned at the extremity with a wreath of 
short teeth-like spines and with two or three spines in the middle of 
the tibia on the outer border ; tarsi decrease in size, last joint longer 
than the preceding one, rounded at the apex, and bearing two 
ungues and three pulvilli, all much the same size, with a few long 
bristles and numerous small hairs ; femora and metatarsi hairy ; 
tibize generally nude. Fig. 7 Pl. ili. Wings broad and long; costa 
ending hardly in front of the tip of the wing; first longitudinal 
vein short, but perfect ; second ends a little further along the wing ; 
third simple ; fourth forked, joined to fifth, which is also forked, 
by a transverse veinlet; sixth and seventh indistinct; costal, first, 
second, and third dark ; remainder pale. ‘the metamorphosis will 
be described in D. febrilts, L. 
