DURHAM DIPTERA. 75 



XII. 114. 



114. Lipsothrix, Lw. 

 735. Lipsothrix errans, Wlk. 



Belburn, 1 #, 1 ?, 17-6-98. 



115. Idioptera, Mg. 

 Life history unknown. 



1 (2). Wings with dark markings at the base and apex, and 



two dark transverse bands between. 

 737. Idioptera pulchella, Mg. 

 Wearhead, 2 $, 13-8-01. 



2 (1). Wings with three spots along the fore margin. 



(738. trimaculata, Ztt.) 



116. Ephelia, Schin. 

 Life history unknown. 



1 (4). Wing-veins entirely without small dots on them. 



2 (3). The spots at the tip of the wing sharply separated ; 



large species. (739- miliaria, Egg.) 



3 (2). The spots at the tip of the wing coalescing into a 



cloud which occupies all the tip of the wing; 

 smallest species. (74°- apicata, Lw.) 



4 (1). Wings with numerous, or at least some dark dots on 



them. 



5 (6). Dots on the wings not numerous, hence considerable 



open clear spaces on the wings. 



(741. submarmorata, Verr.) 



6 (5). Dots on the veins very numerous, leaving scarcely 



any clear spaces. 



7 (8). X.5. beneath the middle of O. (742. marmoratd). 



8 (7). X.5. beneath the base of O. (743- varinervis, Ztt.) 



117. Dactylolabis, O-Sack. 

 Life history unknown. 

 1 (2). A dark spot at the base of 0.5 1 ; size 10 mm. 



(744. frauenfeldi, Egg.) 



