280 Transactions, 
cross-vein. A very faint clouding over cross-veins. Sc , about twice as 
long as Sc,, ending above or immediately before base of Rs. Rs nearly 
straight, more than half as long as К, ;,. Discal cell about half as long 
again as broad. Halteres ochreous. Length of body, 6 mim. ; wing, 6-5 mm. 
TH IstanD: Mount Albert, Auckland, 29th May, 1915 (A. Е. 
Brookes); type and one other female in British Museum. 
Dicranomyia vicarians Schiner. (Fig. 130.) 
Limnobia vicarians Schiner, Reise der “ N отаға,” Dipt., р. 46, 1868. 
Dicranomyia vicarians, Mik., Verh. z.-b. Ges. Wien, vol. 31, p. 196, 
1881 
Dicranomyia annulata Lamb, Subantarctic Is. N -Z., p. 129, 1909. 
Limnobia chorica Walker (nom. nud.), List Dipt. Brit. Mus., vol. 1, 
р. 44, 1848. 
Head blackish. Proboscis about half as long as head. Antennae black, 
the flagellar joints oval, last four or five and especially last one rather 
elongate. Thorax ochreous, somewhat shining; praescutum darker in 
middle. A ^ ochreous, apical half of each segment dark brown. 
ygium—lobes of ninth tergite rather densely hairy apically. Fleshy 
tans and D. conulifera $ slender, brownish, tips of femora darker 
Wings nearly hyaline ; stigma rather dark wn; distinct brown spot 
ov f Rs; cross-veins, vein Cu, and tip of Ax somewhat clouded 
Sc, about two-thirds as long as Rs, ending close to base of Rs, either 
slightly before or slightly beyond it. Halteres with pale-ochreous stem and 
dark-brown knob. Length of body, 5-5-7 mm. ; wing, 6-7-5 mm. 
Norta Istanp: Auckland (Schiner) ; Tamaki, 10th August, 1917 
(A. E. Brookes), one male in British Museum ; Titirangi, 30th December, 
1915 (A. E. Brookes), one damaged specimen, Also two males and one 
female in Walker’s series of L. c orica, without locality. Ѕостн ISLAND: 
Otago (Osten-Sacken) ; one female in Berlin-Dahlem Museum. AUCKLAND 
Isnaxps (Krone, Hudson) :. Type male and female of D. annulata in Cam- 
bridge Museum. 
Dicranomyia insularis Mik. 
Dicranomyia insularis Mik., Verh. z.-b. Ges. Wien, vol. 31, p. 197, 
1881. 
d. Differs from D. vicarians Schin. in the slightly longer hairs on veins 
towards apex of wing, and in structure of male hypopygium; rostrum 
rather longer and more slender, the two spines on it rather longer, and 
both of about same thickness ; the fleshy clasper much shorter and of more 
irregular shape. 
UCKLAND ISLANDS (Krone), 
Dicranomyia aegrotans n. sp. (Fig. 22.) 
Limnobia aegrotans Walker (nom. nud.), List. Dipt. Brit. Mus., 
vol. 1, p. 45, 1848. 
9. Head heavily dusted with light ash-grey; front apparently about 
" one-fifth as broad as head. Proboscis and palpi denis about hal 
РА 
