new or liitle-knoivn Tipulidae. 203 



median sclerite of the postnotum darker ; thoracic setae 

 comparatively short. Pleura pale testaceous, the mes- 

 episternum sometimes indistinctly variegated with brown. 

 Halteres pale, the knobs infuscated except at the extreme 

 tips. Legs with the coxa3 and trochanters brownish yellow ; 

 femora pale brown, the tips narrowly but conspicuously 

 blackened ; tibiae pale brown, the tips narrowly dark brown ; 

 metatarsi pale brown, the tips and remainder o£ the tarsi 

 black. Wings strongly tinged with grey ; cells C and Sc 

 bright brown; cell 1st C pale; the wing-base and cells 

 R and M infuscated ; a brown cloud on the distal side of 

 r-m ; stigma still darker brown ; anal cells subhyaline, 

 especially on the basal third ; a conspicuous white blotch 

 near the middle of cell M, extending slightly into cell R ; a 

 second very conspicuous white blotch before the stigma, 

 occupying cell 1^^ Ri, the outer ends of R and i^/, and the 

 bases of cells 1^^ M2 and M.^, narrowly interrupted along Rs -, 

 a small obliterative area beyond the stigma ; veins dark 

 brown. Venation : distal section of vein R2 in alignment 

 with the basal section, short ; cell 2nd Ri with parallel sides. 



Abdomen with the basal tergite and broad lateral margins 

 of the second segment obscure yellow ; medial line and 

 caudal margin of second tergite black ; remaining tergites 

 brown, the terminal segments darker ; basal sternites yellow, 

 the terminal segments darker. In the female the basal 

 tergites in cases show indications of median and sublateral 

 brown stripes. Pleural appendages of male hypopygium 

 trispinous. 



Hab. New Zealand (North Island). 



Holotype, c?, Ohakune, altitude 2060 feet, January 18, 

 1922 (T. R. Harris). 



Allotopotype, $ , February 9, 1922. 



Paratopotypes, 40 cT ? 5 January IB-February 14, 1922. 



Macromastix albiplagia obliterata, subsp. n. 



Male. — Length 9-10 mm. ; wing 12-13 mm. 



Female. — Length 12-13 mm. ; wing 14-16 mm. 



Generally similar to typical albiplagia, differing as 

 follows : — 



Antennal flagellum entirely brownish black. A linear 

 dark brown mark on vertex. Prsescutal stripes sometimes 

 subobsolete, pale reddish brown, in other cases the lateral 

 stripes darker than the median stripe. Wings with cells 

 R and M not conspicuously darkened basally and not 



