new or little-known Tipulidap. 349 



Tipula tnashona, sp. u. 



Belongs to tlie oleracea group ; close to T. sorer, 

 Wiedemaiui ; aateimal flagellum dark brown ; general 

 coloration grey, the pricsoutum with three pale stripes that 

 are margined with dark brown, the median stripe split by 

 a dark brown line. 



Male. — Length about 21 ram. ; wing 20 mm. 



Rostrum light grey above, the sides brown; nasus with 

 long yellow hairs. Antennae with the first and second 

 segments pale brownish yellow, sparsely grey-pruinose, 

 third segment yellowish brown, darker at the end, remaining 

 segments dark brown, the basal swelling moderately 

 prominent. Head light grey. 



Mesonotal priescutum grey with three indistinct greyish 

 stripes that are distinctly margined with dark brown, the 

 median stripe split by a double capillai'y brown line; lateral 

 stripes with the brown margins becoming obliterated on the 

 lateral side ; scutum grey, the lobes with browu markings 

 anteriorly ; remainder of the notum light grey. Pleura 

 pale, light grey-pruinose, the dorso-pleural membranes dull 

 buffy yellow. Halteres long, tiie knobs dark brown. Legs 

 with the coxne yellowish, the mesocoxse and metacoxre 

 sparsely grey-pruinose ; trochanters dull brownish yellow ; 

 femora brown, the tips darker ; tibise pale brown, the tips 

 narrowly darkened ; tarsi long, dark browu, the base of the 

 metatarsi a little paler. Wings pale grey, the costal region 

 brown, including cells C, Sc, \st R^, and 2nd Ry ; a broad 

 subhyaline streak, including most of cell R, the anterior 

 portion of 3i, the base of ^3 and almost all of /?5 ; a brown 

 seam along Cu. Venation : cell R^ small, narrow at the 

 base, 7^3 almost in alignment with 7^2+3- 



Abdomen discoloured ; the tergites apparently dark brown 

 with a distinct blackish sublateral mark on either side, the 

 lateral margins broadly pale. Ilypopyginm pale. Male 

 hypojjygiiim with the ninth tergite about as in 7'. soror, 

 broad and flattened ; the caudal margin with a broad median 

 lobe that is feebly notched medially, the lobes roughened 

 and with the oiiter angle a little produced, smooth ; vie\\ed 

 caudally, each of these lobes is seen to be produced vcntraily 

 into a flattened blade whose caudal margin is densely covered 

 with blackened spinules. The pleural appendages are 

 almost as in 7\ sor<jr. Ninth sternite strontrlv carinate, 

 the dorsal inner angle with a dense tuft of yellowish hairs 

 directed inward. Eiglith sternite unarmed. 



Huh. Uhodesia. 



