146 Dr. C. P. Alexander on 



Female. — Length 4'2— io nmi. ; wing 4*7-5 mm. 



Kostnini and palpi obsonre yellow. Basal segments o£ 

 autennie yellow ; Hagellnm broken. Head light yellow. 



jMesoMotuni shiny pale reddish yellow, the pronotnni and 

 lateral margins of the praescutum more nearly whitish. 

 Pleura yellow. Ilalteres yellow. Legs yellow, the terminal 

 tarsal segments dark brown. Wings with a strong yellowish 

 tinge ; veins yellow, the macrotrichitC pale brown. Vena- 

 tion : base of vein R^j^z atroj)hied or very indistinct, un- 

 provided with niacrotrieliite ; anal veins convergent. 



Abdominal tergitcs bicolorous, the basal two-thirds of 

 each segment brown, the caudal third yellow ; steruites 

 uuitbrmly yellow. 



Hab. New Zealand (South Island). 



H.>lotype, ? , Nelson, December 9, 1920 (A. Philpott). 



Paratijpe, ? , Dun Mt., Nelson, altitude 2000 ft., Decem- 

 ber 14, 1920 {A. Philpott). 



Type in the collection of the Cawthron Listitute. 



Molophilus philpotti is dedicated to the collector, Mr. A. 

 Philpott, to whom 1 am indebted for many kindnesses in 

 the past. Tills species and the next bear a resemblance 

 to the Nearctic M. pubijtennis (Osten-Sacken). 



Molophilus parvitlus, sp. n. 



Size small (wing, ? , under 4 mm.) ; general coloration 

 pale yellowish brown ; wings yellowish grey ; anal veins 

 divergent. 



Ptntale. — Length 3"8-4 mm. ; wing 3*8 mm. 



Described from alcoholic specimens. 



Rostrum and palpi light brown. Antennae with the 

 enlarged scapal segments yellowish ; flagellum pale brown. 

 Head yellowish browu. 



Thorax, including the pleura, pale yellowish browu with- 

 out markings. Ilalteres large, pale yellow. Legs yellow, 

 the tips of the femora and tibite scarcely darkened ; terminal 

 tarsal segments infuscated. AVings with a yellowish-grey 

 tinge ; veins pale. Venation : origin of i?2+3 distinct, 

 longer thau r -, deflection of R^ and r-m sui.equal ; basal 

 deflection of Cwj [m-cu of Tillyard) arciuited, nearly three 

 times as long as the basal deticction of M^ ; aual veins 

 divergent. 



Abdomen pale yellowi^h brown. 



Hub. New Zealand (North Island). 



Holotype, ? , Ol.akune, altitude 2018 feet, November 10, 

 1920 (T. R. Harrui) ; in alcohol. 



Paratopotypes, G alcoholic ? ? . 



