314: Chi new or I it tie- known Tipuliihi.'. 



Avitli an obscure yellow area at base on either side of the 

 median line; hvi)(tjiy<^inni shiny yi'lh)\v ; sternites o!)seure 

 yellowish brown, the subterininal segments faintly darker. 

 !Male hypopyjiium with the |)kurites stout, the a[)ieal angle 

 produced eaudad into a conspicuous j)ale blade. The mesal 

 apical angle of the pleurite also produced into a triangular 

 point; two pleural appendages, the inner one slender, curved 

 at the apex which is feebly hifid and blackened. Gonapo- 

 physes appearing as slender blades that are directed eaudad, 

 the tips slightly niesad. 



Hah. New Zealand (South Island). 



IJolotype, (J, Grevuiouth, sea-level, Scjitember 0, 1921 

 {T. R.Uar.is). 



Parato]jotyj)e, <? . 



Macromastix atj'idorsum, sp. n. 



General coloration obscure yellow; dorsum of prrcscutum 

 black with four greyish-plumbeous stripes; antenuai short; 

 wings subhyaline; stigma pale brown; veins Sc and R sub- 

 coalescent distally; r lacking; basal deflection of Cuj close 

 to inner end of cell 1st M^; abdominal tergites black, the 

 basal sternites obscure yellow. 



Male. — Length about 8 mm.; wings 10 mm. 



Troutal prolongation of the head brown; nasus lacking; 

 palpi brownish black. Autcnnce short, black, the basal 

 scapal segment brownish testaceous. Front yellowish polli- 

 nose ; remainder of dorsum brownish grey. 



Pronotum brown. j\Jesonotal pra^scutura black with four 

 dark grey-plumbeous stripes, the extreme lateral margins, 

 humeral region and centre of the V-shaped suture obscure 

 yellowish ; scutal lobes black, the posterior and lateral 

 margins fading into obscure yellow ; scutellura and post- 

 uotum obscure yellow, the posterior margin of the latter 

 narrowly iufuscated. Thorax glabrous. Pleura obscure 

 yellow; mesosternura infuscated. Ilaltercs brown, the ex- 

 treme base of the stem yellow. Legs with the coxce yellow, 

 the base of the fore coxa infuscated; trochanters yellow; 

 femora dark brown, the bases obscure yellow; remainder of 

 the legs brownish black; legs long and slender. Wings 

 subhyaline; stigma pale brown, filling cell Sci and the distal 

 half of cell ii'i; veins brownish black. Venation: Sci 

 present ; veins Sc and R almost com[)lctcly coalesced on 

 their distal half; Rs feebly angulate before mid-length; 

 r completely lacking; cell 1st M^ almost quadrangular, 



