i6o A N A ceo UNT OF BRITISH FI IBS. 



A. herolincnsis, Mg. = ^. pit Hits, Hal. 



Shining black. Head, palpi, and antenna black ; thorax slightly 

 pubescent and somewhat shiny, black. Legs testaceous ; femora 

 deep black ; tibiae and tarsi testaceous ; apex of tibiae black. Hal- 

 teres black. Wings limpid ; costal black ; first and second longi- 

 tudinal veins black ; second incrassaied at its junction with the 

 costal. The other veins colourless. Length i to \\ lin. This 

 appears to be a rare species from the few records. This is the only 

 British species. 



[ Tipula, L. 

 Genus.— Z);7f/'////-^, Mg. = \Hirtea, F. 



I Bibio, Lat. 



Boiiy stout and elongated. Head longish in ? , broad in J . 

 Mouth parts : Labrum short ; lingua lanceolate ; labium bilobed 

 and hairy. The antennae ii -jointed, short, sub-moniliform, porrect ; 

 joints of the first seven transverse, cyathiform, the tliird 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 ? small and oval. Ocelli three ; 

 usually placed far back on the head in the $ and squeezed into a 

 small triangular patch at the hind border of the head in the J. 

 Thorax very convex, covered with black hairs and having two trans- 

 verse ridges in front. Abdomen hairy; seven to eight segments. 

 Legs stout ; anterior tibite 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 ; 

 tibiae generally nude. Fig. 7 PI. iii. 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 ; 

 tliird 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. I'he metamorphosis will 

 be described in D. fehrilis, L. 



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