Lamb. — Two Blepharocerids from Nexv Zealand. 75 



Note. — In one of the ? specimens the last vein in the wing does not 

 meet the margin. 



Type. — The following species. 

 Country. — New Zealand. 



Peritheates turrifer sp. nov. 



Head. — Vertex, turret, and all the eyes black, the latter with a profuse 

 light-brown pubescence. Face greyish ; tongue brown, with brown-black 

 sheath. Antennae black. 



Thorax. — Dorsum deep dull black slightly pollinated with grey ; 

 humeral knobs orange on the tip ; hind angles of dorsum just above the 

 wing-bases lined with orange ; pleurae profusely pollinated with grej''. 

 Scutellum in outline like a very blunt-pointed long-based triangle. Wings 

 as in the generic description, glassy with black veins, orange at the base ; 

 the chitinous patch at the anal angle well marked ; hind margin finely 

 ciliated, especially from the extreme base round the anal angle. 



Halteres with long pale stalk and long oval head of darker colour. 



Legs black, except for the front trochanters, base of front femora, 

 middle trochanters and base of femora, hind trochanters, and basal four- 

 fifths of femora, which are paler. Front femora slightly bent and swollen 

 from middle to tip ; middle femora straight, but simi- 

 larly swollen ; hind femora about three times as long 

 as the middle ones, very thin for the basal two-thirds, 

 then swelling out into a slender spindle shape. Hind 

 tibiae with two spurs. Front and hind metatarsi very 

 long, about as long as the rest of the joints ; middle j, g 



shorter, about as long as 2| joints. 



Abdomen. — Slender, compressed laterally, brown-black with well-marked 

 orange margins to the segments. Male hypopygium in side view as fig. 9, 

 with end and upper pair of processes. 



The $ specimens were immature. All the legs are slender and pro- 

 portionately shorter than in the (J. 



Size. — 4|mm. ; wing, 6 mm. 



Locality. — Otira, New Zealand. This species is numbered 230 in Mr. 

 G. V. Hudson's collection. 



Types in the Cambridge collection. 



Paratypes in the British Museum. 



Note by G. V. Hudson, F.E.S. 

 Both insects described by Mr. Lamb in the foregoing paper were 

 captured flying over the foaming waters of Warnock's Creek, Otira River, 

 on the 5th and the 13th December, 1908. They frequented only the most 

 disturbed portions of this violent mountain-torrent, where the noise of the 

 falling waters was deafening. Both species seemed to be engaged in nuptial 

 dances amongst the flying spray, the long hind legs of the males being held 

 out behind, looking like the caudal appendages of an Ephemera. I secured 

 both sexes of Peritheates turrifer, but could find only males of Neocurupira 

 hudsoni; they rested on the wet boulders close to the water's edge. These 

 insects seem to be very local, as I have not observed either of them on 

 any other occasion. Dr. Chilton described a larva of a Blepharocerid in 

 vol. 38, p. 277, of the '■ Transactions of the New Zealand Institute." 

 I observed similar larvae in the streams at Otira during my visit. They 

 are very probably referable to the insects described in the foregoing paper. 



