new or little-known Tipulid^ie. 101 



veins slightly darker yellow ; macrotrichise pale brown. 

 Venation : petiole of cell Ri short ; petiole of cell M^ about 

 one and two-thirds the length of the basal detiection of Cu^ ; 

 vein 2nd A elongate, sinuous, the anal veins convergent. 



Abdominal tergites pale brown, the sternites light yellow. 

 Male hypopygiutn with two pleural appendages, the basal 

 appendage a strongly curved black arm, the base straight, 

 the distal third bent at a right angle and directed laterad, 

 acute at apex, before which are borne a few weak setse ; 

 distal pleural appendage bifid at apex, the lateral arm larger 

 and weakly denticulate at apex. 



Hab. New Zealand (South Island). 



Holotype, (^ , Otago (Geo. Howes). 



Molophilus denticulatus, sp. n. 



General coloration obscure yellow ; antennae short ; wings 

 pale brownish subhyaline ; anal veins convergent ; basal 

 pleural appendage of hypopygium a straight black rod that 

 bears a conspicuous erect spine on the lateral face before the 

 apex. 



Male. — Length about 4 mm.; wing 4*6 mm. 



Rostrum and palpi brown. Antennae short, pale brown, 

 the basal segments tinged with reddish, this latter condition 

 probably abnormal. Head pale brown. 



Mesonotum obscure yellow. Pleura brownish yellow; 

 sternum yellow. Halteres pale. Legs with the coxae and 

 trochanters concolorous with the sternum ; remainder of 

 the legs pale brown, the femoral bases paler. Wings pale 

 brownish subhyaline, the veins slightly darker, with brown 

 macrotrichise. Venation : anal veins convergent. 



Abdomen brownish yellow. Male hypopygium with two 

 pleural appendages, the two pairs of either side approximated ; 

 the more basal appendage a powerful black rod that is almost 

 straight, at about three-fourths the length on the lateral 

 face with an erect black spine ; between this spine and the 

 subacute apex, on the mesal face, a small setiferous area, the 

 apex slightly twisted ; distal pleural appendage bifid ; apex of 

 pleurite a high blackened blade. 



Hab. New Zealand (South Island). 



Holotype^ J ? Otago [Geo. Hoiues). 



Paratype, <^ , Queenstown, Otago, altitude 1500 feet, 

 February 15, 1922 (L. Curtis). 



The paratype is slightly smaller than the type. 



