The Crane-flies of South Africa (Diptera, Tipulidae). 165 



reduced, less than a millimetre in length and not exceeding the 

 halteres, extending to the base of the abdomen ; they are somewhat 

 curved, dark brown basally, more yellowish apically, venation in- 

 distinct. 



Abdominal tergites rather dark brown with numerous large black 

 blotches, and with abundant scattered yellowish appressed hairs, and 

 black rectangular areas of close-set impressed punctures lying trans- 

 versely across the sclerites ; on segment two they are about mid- 

 length of the segment and interrupted medially and two small 

 areas on either side near the caudal margin ; segments three to seven 

 with the broad transverse bands sub-basal in position, interrupted 



FIG. 2. Tipula rhionoides, sp. n. Lateral aspect, with the middle leg removed. 



medially and with two small areas on either side of the median line 

 and near the caudal margin of the sclerite ; steruites brown with 

 darker brownish-black blotches and with impressed punctured areas 

 arranged about as on the tergites ; ovipositor with the tergal valves 

 elongate, obtuse at their tips ; sternal valves much shorter, more acute 

 at the tips. 



Habitat. South Africa. 



Holotype, 9 , South Africa,- the exact station unknown. 



Type in the South African Museum. 



The general habit of the insect is shown in fig. 2. 



The genus Icriomastax, Euderlein (Zool. Jahrb., vol. 32, pt. 1, p. 9, 

 1912), established for the Brazilian I. ocellata, Enderlein, is the only 

 other crane-flv known to me in which the uasus is bifid. 



