DUftHAM DIPTEBA. 1 39 



XXIV. 223. 



55 (56). Hind tibiae black at the tip, hind tarsi all black. 

 1208. Dolichopus phimipes, Scop. 

 A common species. I have taken it at Bishop 

 Auckland, Wearhead, Waskerley, and Hesleden. 



06 (55). Hind tibiae and the base of the hind tarsi pale. 



(1209. wahlbergi, Ztt.) 



57 (54). Mid metatarsus simple, some of the other joints 



widened. 



58 (59). Second and third mid tarsal joints widened, black, 



and black feathered, fourth and fifth silvered. 

 1 2 10. Dolichopus pennatus, Mg. 

 Harperley, 1 $, 28-6-02. 



59 (58). Third and fourth mid tarsal joints black, widened and 



feathered, only the fifth silvered. 

 121 1. Dolichopus popularis, W. 

 Bishop Auckland, 1 $, 21-6-02; Bedburn, 2 <?, 

 and 3 % 7-7-02. 



60 (47). Tarsal joints neither widened nor feathered. 



61 (62) (63). Fourth and fifth mid tarsal joints silvered. Hind 



tibiae pale, with black tip. (12 12. signatus, Mg.) 



62 (61) (63). Fourth mid tarsal joint black, fifth silvered 



Hind tibiae all black. 



1 2 13. Dolichopits urbanus, Mg. 

 Bedburn, 2 $, 7-7-02. 



63 (61) (62). All tarsi normal, none silvered, nor widened, nor 



feathered. 



64 (67). V.4. distinctly bayonet-shaped, twice bent at right 



angles (V. 14), and then running parallel with 

 V.3. Fore tibiae with a long thin hair at the tip. 



65 (&&)• Hind metatarsus yellow at the base, and with two 



bristles above. Hind femora not fringed beneath. 



(1220. nitidus, Fin.) 



66 (65). Hind metatarsus all black, and with only one bristle 



above. Hind femora black fringed beneath. 



1 22 1. Dolichopus griseipennis, Stan. 



Hesleden, i $, 27-7-99, 1 $ an d 1 ?, 6-8-00; Bishop 

 Auckland, 1 $, 5-7-01. 



