DUEHAM DIPTERA. 397 



Insert at page 79. 775. Dicranota pavida, Hal. 



Howick, Northumberland, 1 $ and 3 ?, 

 August, 1905. 



„ „ 93. 857. Oxycera pygmcea, Mg. 



Hesleden, 2 $, August, 1902. 



„ „ 97. *892. Ben's vallata, Forst. 



Bishop Auckland, 1 $, 26-6-04. 



„ „ 105. 964. Dismachus trigonus, Mg. 



Hart, August, 1 $, 26-8-02 ; 1 $, 16-7-04. 



„ „ 122. 1099. Hemerodromia precatoria, Fin. 



Hesleden, 1 ?, 16-8-02. 



,, ,,123. 1 123. Tachista arrogans, L. 



Howick, 1 ?, 22-8-05. 



,, ,, 125. 1162. Tachydromia flavipes,~F. 



Bishop Auckland, 7 $ and 5 ?, May 27, 

 1897-1900 ; Stanhope, 1 $, May, 1900; 

 Evenwood, 1 $, May, 1897. 



„ „ 144. 1230. Dolichopus brevipennis, Mg. 



South Durham, 2 $. 



„ ,, 156. x 334- Hy 'drop >horus preec ox, Mg. 



Hesleden, 1 ?, 17-8-04. 



„ 158, 1358. X ant hoc Mortis ornatus, Hal. 



Hesleden, 1 $, 2-8-02. 



„ „ 169. -1500. Melangyna quadrimaculata, Verr. 



Bishop Auckland, 1 $, 20-3-06 ; Harper- 

 ley abundant, $, $, 3-4-06. 



„ 192. I 543- Syrphus lasiophthalmus, Ztt. 



Muggleswick, 3 ?, 27-5-03; Harperley, 

 3 $, 3-4-06 ; Bishop Auckland, 1 $, 

 6-4-06. 



