The Crane-flies nf South Africa (Diptera, Tipulidae). 
165 
reduced, less than a millimetre ui 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. , , i u 
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- 
leno-th of the segment and interrupted medially and two small 
areL on either side near the caudal margin ; segments three to seven 
with the broad transverse bands sub-basal in position, interrupted 
FiG. 2.-T^p.aa rkionoiaes, sp. n. Lateral aspect, with the middle le,- removed. 
medially and with two small areas on either side of the median line 
and near the caudal margin of the sclerite ; sternites In^own 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.— Sonth. Africa. 
Holotype, ? , 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, Enderlein (Zool. Jahrb., vol. 32, pt. 1. p. 9, 
1912), established for the Brazilian I. ocellata, Enderlein, is the only 
other crane-fly known to me in which the nasus is bifid. 
