356 Dr. C. P. Alexanrler on African Crane-flies 



Holotype, S, Higo Samula, October 30, 1911 (R. J. 

 Stordy). B.M. no. 1912. 329. 



Type in the collection of the British Museum (Natural 

 History). 



LimnopMla unijuga, sp. n. 

 Head light grey ; niesonotum light brownish yellow ; a 

 capillary dark brown dorso-median line extending from the 

 head to the base of the abdomen ; femora dark brown with 

 an indistinct yellowish ring before the tips ; wings light 

 yellow Avith a narrow, dark brown cross-band at the cord 

 and small brow'n spots at the ends of all the veins ; /?2+3 

 short, cell Mi present. 



Male. — Length 9 mm. ; wing 10 mm. ; hind leg, femur 

 7*2 mm., tibia 8 mm. 



Female. — Length 11*5 mm. ; wing ll"^ mm. 

 Rostrum and palpi dark brown. Antennfe with the first 

 segment elongate, black ; second scapal and first five 

 flagellar segments bicolorous, the basal half dnll yellow, the 

 apical half dark brown ; distal flagellar segments elongate, 

 dark brown ; basal flagellar segments narrowed basally, 

 more enlarged distally. Head light grey with a conspicuous, 

 capillary, black median line that is split and enlarged at its 

 anterior end between the eyes ; remainder of the vertex with 

 scattered dark brown setigerous punctures ; head somewhat 

 narrowed behind, but not so accentnated as in Psevdolim- 

 nuphila. 



Pronotum light fawn-coloured, dark brown medially ; 

 prosteruum between the large fore coxse narrow. Meso- 

 notal prsescutum light brownish yellow with a capillary dark 

 brown median line ; tubercnlate pits retreated rather far 

 back to beyond mid-length of the distance to the psCTido- 

 sutural fovese, one on either side of the capillary median 

 line above described ; remainder of the mesonotum pale 

 greyish yellow, the median line becoming much broader and 

 darkening into black. Pleura dull yellow, the mesopleura 

 indistinctly greyish-pruinose. Halteres dnll yellow, the 

 knobs dark brown. Legs with the coxae and trochanters 

 dull yellowish ; femora dark brown, the bases narrowly 

 paler ; an indistinct obscure yellowish ring before the 

 nearly subequal dark brown tips ; tibise and tarsi dark 

 brown. Wings with a strong yellowish tinge, sparsely 

 marked with dark brown spots and seams, tlie most con- 

 spicuous being a dark seam along the cord ; these marks are 

 as follows : at the origin of lis ; a narrow brown seam along 

 the cord and outer end of cell 1*/ M.2, in the female the 



