7ieio or Ultle-kiiown Tipulidie. i'Ol 



another tubercle on lateral face before apex ; a tbird on 

 mesal face, more basad in position ; immediately bisad of 

 this a small blackened lobe with the nuirgin microscopically 

 dcnticnlatc. 



Hub. New Zealand (South Island). 



Holotype, ($ , Nelson, December 7, 1920 {R. J. Tilltjard). 



AUotijpe, ? , Dun Mt., January 24., 1921 {A. Philpott). 



Paratypcs, 1 (J , 1 ? , Duu * Mt., altitude 20)0 feet, 

 December li, 1920 ; 1 (^ , 1 sex ?, December 2, 1920; 1 ? , 

 Dun Mt., altitude 2000 feet, January 21-, 1921 {A. Philpott] ; 

 Dunedin, 1 cJ , 2 V ? , Novcmb.-r 20, 1921 (G. Hoioes). 



Type in the collection of the Cawthron Institute. 



Molophilus plagiatus, sp. n. 



General coloration yellow ; antennae short, pale in colour ; 

 mesonotal pnescutum uniform in colour ; dorsal pleurites 

 dark brown, bordered ventrally by a silvery line ; fore femora 

 black; wings pale yellow, with a large area of black macro- 

 trichiie along the cord ; less distinct seams along veins 

 Cu and Cm^ ; basal pleural appendage of male hypopyginm 

 a straight rod bearing at and before the tip on the outer 

 face two long acute spines that are perpendicular to the 

 appendage. 



Male. — Length 3'5 mm. ; wing 4'6 mm. 



Female. — Length about 4 mm. ; wing 5 mm. 



Rostrum and palpi dark brown. Antennae short, pale 

 brownish testaceous. Head yellow, infuscated posteriorly. 



Mesonotal praescutnm, scutum, and scutellum uniformly 

 pale brownish yellow, the postnotum dark brown. Pleura with 

 all the dorsal sclerites dark brown, the ventral margin shar[)ly 

 delimited, extending from the fore cox?e to the base of the 

 abdomen, passing beneath the root of the halteres ; ventral 

 sclerites of pleura and the sternum pale with a microscopic 

 silvery pubescence adjoining the dark margin, on the ster- 

 uites passing into yellow. Halteres densely covered with 

 brown and golden setae. Legs with the coxk and trochanters 

 obscure yellow ; fore femora covered with long black setre, 

 only the extreme bases narrowly paler; other femora yellow ; 

 tibiie yellow, on the fore tibire the tips and an indistinct 

 subbasal ring blackish ; other tibii\2 uniformly yellow, the 

 tips weakly infuscated ; metatarsi obscure yellow^, the tips 

 blackened ; remainder of tarsi black. Wings pale yellow, 

 with principally yellow macrotrichise : a large area of black 

 macrotrichicc along the cord ; veins Cu and Cu^ faintly 

 seamed with black macrotrichise j less distinct areas on 



