DURHAM DIPTERA. 121 



XXIII. 200. 



200. OXYDROMIA, Mg. 



Life history unknown. 



1084. Oxydromia glabricula, Mg. 

 Hesleden, i $; Bishop Auckland, 2 $, 2 ?; Shull, 

 1 ?; April-September, 1900-01. 



201. Leptopeza, Mcq. 



1 (2). Thorax black, abdomen dark brown. 



(1085. flavipes, Mg.) 



2 (1). Thorax reddish yellow, abdomen yellowish beneath 



on each side. (1086. rufiicollis, Mg.) 



202. Euthyneura, Mcq. 



1 (2). Tip of the antennae sharp-pointed, awl-shaped. 



(1087. myrtilli, Mcq.) 



2 (1). Tip of the antennas blunt, obtuse. 



(1088. myricoz, Wlk.) 



203. Clinocera, Mg. 

 Life history unknown. 



1 (2) (5). All black species. (1092. nigra, Mg.) 



2 (1) (5). All grey species. 



8 (4). Wings grey with a round brown spot at the stigma. 

 1096. Clinocera bistigma, Curt. 

 Wearhead, 1 £, 3 ?, August, 1901. 



4 (3). Wings clear and unspotted. ( io 95- lota, Hal.) 



5 (1) (2). Species olive-brown above, grey beneath. 



6 (7). Legs blackish, tips of the femora pale red, fore femora 



not spined. ( io 93- stagnalis, Hal.) 



7 (6). Legs black, hind legs and fore femora reddish, fore 



femora with three spines beneath. 

 1094. Clinocera fontinalis, Hal. 

 Bollihope, 1 $, June, 1901. 



