51S Dr. C. P. Alexamler on 



r-in Ions:, arcuated; cell M^ lacking; cell Is/ M.2 elongate, 

 uiileiied distaliy, w alxmt onc-luilt" the outer dcHection ol" 

 3/p, ; basal derteetion of Cm| about its own length beyond the 

 fork of M ; anterior arculus preserved. 



Abdominal tergites light brown, in the female darker 

 brown ; hy[)0[)ygium concolorous with abdomen. Ovi- 

 positor very long and slender, yellowish horn-colour. 



Hah. New Zealand (botli Islands). 



Ho/oti/jje, (^,()harteris Bav, IJanks Peninsula, Cauterburv, 

 November 12, 19.21 (/. IP. Campbell). 



Alloti/pe, ? , Oliakune, altitude about 2060 feet, November 

 12, 1921 (T. R. Hurrh). 



The hol(>typ3 was associated with Aphrophila neozelandica 

 (Eilwards) and Dicranomijiu fasc'inta, Hutton, on the lee 

 side of rocks amidst rough foaming water. 



Gynuplistia h'lrtamera, sp. n. 



General coloration shiny black ; antcnn;c with fifteen seg- 

 ments; flagellar segments 1 to 8 long-flabellate; all coxae light 

 brown ; wings subliyaline with a conspicuous brown pattern, 

 including the cord, outer end of cell l.f/ 3/o, bases of cells J{ 

 and M, origin of Rs^ a large spot m cell .1/ anil another in 

 cells Cu and 1*^ A; -wing-apex not darkened ; cell 2nd Ry at 

 margin equal in width to cell 7?2 > vein 2nd A ending far 

 before the level of the origin of Rs ; male hy[)opygium with 

 each gonapophysc terminating in a dense brush of long 

 yellow seta?. 



Male. — Length 7"5 mm, ; wing 6"S mm. 



Described from an alcoholic specimen. 



Rostrum black, the palpi dark brownish black. Antennic 

 15-segmented, the formula being 2-f- 2 + 6-1-5 ; antennae 

 dark brown, the basal two flagellar segments indistinctly 

 paler at ends ; flagellar branches very long, the longest 

 fiom three-fifths to two-thirds the entire flagellum ; eighth 

 flagellar segment with a pectination that is at least three 

 times the length of the segment; terminal flagellar seg- 

 ment elongate, one-half longer than the penultimate. Head 

 shiny black. 



Mescnijtal i)r?2scutum shiny black, the humeral region 

 restrictedly reddish brown; scutal lobes black, the median 

 area reddish brown ; scutellum reddish brown with two 

 confluent dark brown spots at base, on either side of the 

 median line ; postnotum black. Pleura dark brownish 

 black ; no pruinosity can be detected in the alcoholic type. 

 Halteres pale yellow thjoiighout. Legs with coxjc uniform 



