116 Dr. C. P. Alexander on African Crane-flies 
dorsally ; palpi pale basally, the distal segments darker. 
Antenne rather elongate, if bent backward extending almost 
to the base of the abdomen ; scapal segments orange ; first 
flagellar segment light brown ; remaining flagellar segments 
with the small basal swelling brownish black, the remainder 
light brown to produce an indistinct bicolorous appearance. 
Head orange; occipital area elongate-triangular, very pale 
brown and not at all conspicuous ; frontal tubercle rather 
low, entire. 
Pronotum yellow. Mesonotum yellow, the prescutal 
stripes black, the median stripe split at the anterior end by 
a pale centre that extends back to about one-fourth the 
length of the stripe; lateral stripes strongly outcurved, 
scarcely attaining the lateral margins of the sclerite; scutal 
lobes largely. black ; scutellum testaceous, the lateral 
sclerites almost black ; postnotum yellow, on the posterior 
third with two rather indistinct reddish spots ; surface 
sparsely pubescent. Pleura light yellow, conspicuously 
marked with reddish. Halteres pale brown, the knobs dark 
brown, tipped with dull yellow. Legs with the coxe and 
trochanters reddish ; fore femora dark brown with only the 
bases yellow ; posterior femora brownish yellow, the tips 
rather narrowly dark brown; remainder of the legs dark 
brown. Wings with a pale brown suffusion, the subcostal 
cell more saturated ; wing-tip and a seam along the deflec- 
tion of R,,; very narrowly infuscated ; a compact group of 
about sixteen macrotrichiz in the end of cell &;. Venation : 
r at the fork of R,,3; petiole of cell J, from one-half to 
nearly as long as m; cell 2nd A rather narrow. 
Abdomen orange, the basal third of the first tergite with 
two confluent black spots ; a small semicircular black mark 
before mid-length of tergite two; a conspicuous black 
median spot at the caudal margin of tergites two to five, 
smaller on the posterior segments; a black subterminal 
ring, including tergites six and seven and sternites seven 
and eight ; hypopygium orange. Male hypopygium with 
the outer margin of the lateral lobes of the ninth tergite 
provided with numerous black spines. Outer pleural 
appendage light yellow, tapering to the long subacute 
point. Eighth sternite black with the exception of a median 
caudal portion ; lateral hairs long and conspicuous ; a small, 
median, yellow tubercle that bears a few long setee at its tip. 
Hab. Nyasaland. 
Holotype, &, Blantyre, May 6, 1914 (Dr. J. B. Davey). 
B.M. no. 1915. 128. 
