100 Dr. 0. P. Alexander on 



Hah. New Zealand (North Island). 



Holotype, S ) Ohakune, altitude 2060 feet, January 24, 

 1922 (T.R. Harris). 



Molophilus hilaris bears a slight resemblance to M. varie- 

 gatus, Edwards, in the coloration of the legs and wings. It 

 is more closely related to M. cruciferus^ M. plagiatus^ and 

 allied forms. 



Molophilus favidulus, sp. n. 



Size small (wing of <^ 3 mm.) ; general coloration light 

 yellow; male hypopygium with the basal pleural appendage 

 gently curved toward apex, terminating in a few large teeth. 



Male. — Length about 2*4 mm. ; wing 3 mm. 



Rostrum and palpi pale brown. Antennse with the first 

 segment yellow, the second pale brown ; flagellum broken. 

 Head light yellow. 



Mesonotum and pleura light yellow. Halteres pale yellow, 

 covered with appressed white setae. Legs yellow, the 

 terminal segments darker. Wings relatively broad, pale 

 yellow with pale veins and macrotrichise. Venation : vein 

 2nd A elongate, ending beyond the level of the fork oi Rs. 



Abdomen yellow. Male hypopygium Avith the basal pleural 

 appendage pale at base, the apex blackened, the appendage 

 straight, at the tip curved a little mesad and here provided 

 with a few apical teeth and less distinct appressed subapical 

 denticles ; distal pleural appendage bifid and blackened at 

 apex_, the lateral arm dilated at outer end. 



Hab. New Zealand (North Island). 



Holoiype^ $ , Ohakune, altitude 2060 feet, January 18^ 

 1922 (T. R. Harris). 



Molophilus luteipennis, sp. n. 



Size large (wing of S' over 5 mm.) ; general coloration 

 light reddish yellow ; wings strongly tinged with yellow ; 

 anal veins convergent ; basal pleural appendage a strongly 

 curved black spine. 



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



nostrum and palpi pale biown. Antennae short, pale 

 brown. Head dull grey. 



Mesonotum and pleura uniformly reddish yellow. Hal- 

 teres yellow. Legs with the coxae and trochanters yellow ; 

 remainder of the legs yellow, the terminal tarsal segments 

 darker. Wings broad, strongly tinged with yellow, the 



