The Crane-flies of South Africa. 225 



wings brown, streaked with whitish ; abdomen yellowish, with three 

 dark brown longitudinal stripes. 



Mule. Length 20 mm. ; wing 19'4 mm. ; middle leg, femur 13 mm., 

 tibia 13 - 2 mm. 



Female. Length 23 mm. ; wing 19 mm. 



Frontal prolongation of the head brownish-yellow ; uasus very long 

 and slender. Palpi dark brown, paler at the iucisures. Antennae 

 short, uniform pale yellow, the terminal segments a little iufurned 

 with In-own. Head greyish-yellow, brightest on the front anterio- 

 portion of the vertex and along the inner margin of the eyes ; an 

 indistinct brownish median line on the vertex. 



Mesonotum brownish-yellow, the praescutum with four greyish- 

 brown stripes that are nai^rowly margined with dark brown ; the 

 middle stripes are narrowed and confluent behind, much paler at their 

 anterior ends ; scutum dull yellow, the lobes with dark greyish-brown 

 marks ; scutellum brown basally, yellowish apically ; postnotum 

 yellowish. Pleura yellow. Halteres light brownish-yellow, the knobs 

 dark brown. Legs with the coxae and trochanters yellow; femora 

 yellow, the tips dark brown, broadest on the fore legs, narrowest on 

 the hind legs ; tibiae dark brown, the bases conspicuously yellowish ; 

 metatarsi dark brown, the extreme base brownish-yellow ; remainder 

 of the legs dark brown. Wings brown, streaked with whitish, the 

 costal area brighter, yellowish-brown ; a whitish streak occupying- 

 the posterior half of cell R and the anterior half of cell M, and 

 including cells 1st M. 2 and -B 5 ; pale areas in the base of cell 1st A and 

 the end of Cu. Venation (Plate IV, fig. 20) : Sc l obliterated ; R 2 

 persistent; m-cn obliterated by a slight fusion of 6'it 1 on .M~ 3 -f 4 ; cell 

 '2nd A rather narrow. 



Abdominal tergites dull yellow with three brownish longitudinal 

 stripes, the lateral pair usually more distinct, the median stripe 

 obliterated basally but becoming more distinct toward the end of the 

 abdomen ; sternites brownish-yellow. Male hypopygium with the 

 sclerites of the ninth segment fused into a continuous ring. Eegion 

 of the ninth tergite extensive, the median area (Plate IV, fig. 26) 

 produced into a slender but very high lobe that is indistinctly bifid at 

 its tip, which is blackened and indistinctly spinulose ; dorsal face of 

 the tergite slightly depressed. Pleural region not set off by a suture. 

 Outer pleural appendage pale, very broad and flattened, the apex 

 obliquely truncated. Ninth steruite strongly cariuate on the mid- 

 ventral line. Female ovipositor with the tergal valves very long and 

 slender, straight, a little expanded at the tips ; sternal valves very 

 short, ending at about mid-length of the tergal valves. 



