THE BLOOD-SUCKING DIPTEKA OF PALESTINE. 



Ill 



margin of ninth tergite also deeply notched, and with relatively broad finger-like 

 extensions ; lobe-like processes of lower surface of projecting portion of ninth tergite 

 situate some distance in front of posterior margin ; forceps of usual form, side-pieces 

 each with two slender, sub-dorsal processes on inner side of proximal extremity ; 

 proximal portion of each harpe with a strongly chitinised ventral process, at right 

 angles to distal portion, distal portions of harpes noticeably broad, and each tapering 



£,£.a. 



Fig. 2. Ciilicoidcs tenloriits, sp. n. ; antenna of 2. 



to a point posteriorly ; aedoeagus Y-shaped or lyrate, with broad, well chitinised 

 stem, terminating bluntly behind, and with strongly chitinised limbs. Wings 

 (PI. iv, fig. 1) agreeing in both sexes as regards markings ; proximal ivory-yellow 

 spot on costa surrovmding anterior transverse vein, varying somewhat in size and 

 outline in different individuals, but with its lower extremity reaching fold which 

 traverses fork of fomih longitudinal vein ; proximal boundary of distal spot formed 



Fig. 3. Culicoides tenioriiis, sp. n. ; male hypopygium, ventral view (greatly enlarged). 



by or scarcely extending beyond terminal upturned portion of third longitudinal 

 vein ; in both sexes portions of costa and of first and third longitudinal veins between 

 spots conspicuously darker than anything else in wing ; a larger or smaller area at base 

 of wing pale, portions of veins included in this area, as also anterior transverse vein, 

 upturned terminal portion of third longitudinal vein, and portions of longitudinal 

 veins in proximal costal spot light buff or cream-buff, veins elsewhere, except as already 



