The Crane-flies of South Africa (Diptera, Tipulidae). 157 



This very interesting fly is, unfortunately, not in good condition, 

 but the well-marked diagonstic characters are such that it will be 

 easily recognised. If the generic reference as given above is correct, 

 then the fly would fall in the sub-genus Idioptera, Macquart (Suit, a 

 Buff on, vol. 1, p. 94, 1834), the described species of which are Holarctic 

 in their distribution. 



SUB-FAMILY TIPULIK'AB. 

 TRIBE DOLICHOPEZINI. 



GEN. DOLICHOPEZA, Curtis. 

 1825. Brit. Entomol., p. 62. 



SUB-GEN. TEICHODOLICHOPEZA, sub-gen. 11. 



Differs from Dolichopeza s.s., as follows : Wings with a black 

 pubescence in all the apical cells from R l to Cu Y 



Type of the sub-genus. Dolichopeza (Trichodolichopeza) hirtipennis, 

 sp. n. 



DOLICHOPEZA (TRICHODOLICHOPEZA) HIRTIPENNIS, sp. 11. 



Head dark brownish-black with a greyish bloom ; thorax buff with 

 three dark brown stripes ; wings pale grey with a prominent stigma ; 

 numerous short hairs in all the apical cells of the wings ; tarsi brown. 



Male.' Length 9'8 mm. ; wing 12'8 mm. 



Female. Length 9'1 mm. : wing 10 - 4 mm. 



Male. Frontal prolongation of the head light yellow, the dorso- 

 median line, including the uasus, dark brown. Antennae of moderate 

 length, the first segment dull yellow, a little darkened toward the tip ; 

 second segment bright yellow ; flagellum black ; first flagellar segment 

 elongated, cylindrical, with numerous scattered bristles : remaining 

 segments of the flagellum with a sub-basal verticil of stout black 

 bristles. Eyes with fine ommatidia, rather widely separated ; vertex 

 with a low protuberance, the latter with the front orange-yellow, 

 remainder of the head dark brownish-black with a brownish-grey 

 bloom. 



Prouotum buff with a broad dark brown median line. Mesonotal 

 praescutum pale yellowish-buff with three dark brown stripes, the 

 median one broadest in front, more narrowed behind ; lateral stripes 

 short, narrowed in front ; pseudosutural fovea deep, surrounded by a 

 brown blotch and with another brown mark from the fovea to the 

 lateral margin of the sclerite ; about a dozen scattered black hairs in 

 the area just in front of the foeva ; scutum buff medially, the lobes 



