TiL.LvARD.—Studies of New Zealand Trichoptera. 297 
in angle between R, and R,, in secondary cell formed by this fusion. 
This formation is unique, so far as now, in the order, but may 
enr Y. be compared with that found in forewing of Psilochorema 
alin. Tibial spurs 2, 4, 4. Appendages of male very short 
Genotype.—Synchorema zygoneura n. sp. (New Zealand.) 
Synchorema zygoneura n. p (Plate 19, fig. 7; text-figs. 11, 12.) 
d. Total length, 4 mm.; forewing, 6-7 mm.; expanse, 14 mm. 
Head, thorax, and POTIS brownish; eyes black; аймай and legs 
pale testaceous. 
Wings.—Forewing semitransparent subfulvous, with numerous short 
upright golden-grown hairs; pterostigma darker, brownish; venation 
brownish ; fringe of pale-brownish hairs of moderate length. dwin 
hyaline, iridescent, with à fringe of short dark-brown hairs very closely 
set above apex of wing, but with longer and paler won less closely sei, 
around termen and posterior margin; venation brow 
Text-Fic. 12. —Synchorema z zygoneura n. g. and sp., $. Appendages (х 55). 
a, lateral view; b, dorsal view. 10 per cent. KOH preparation. ) 
Appendages very short, as shown in text-fig. 12; in the dried specimens 
they are sometimes scarcely to be discerned, except for the two slender 
and slightly clubbed pre-anal appendages. 
Female сеу resembling male, but pi Vestes 16:5 mm.), and 
usually with forewings somewhat brighter i in colo 
Types.—Holotype male, Mount Arthur, 4, 500 ft. "оза December, 1921, 
А. dang Allotype female, Arthur s Pus, 2,800 ft. (19th January, 
1920, R. T.) Also other males from Nelson (6th January, 1921, A. 
Philpott), a Downs (7th February, 1922, R. J. T.), and females from 
h ass 
Art January, 1920, R. J. T and Queenstown (14th 
пан 1919, R all in Cawtbron Institute collection. The 
Nelson specimen has been used for the 10 per iA OH preparation 
from which text-fig. 12 has been dr: and Downs male an 
Habitat. Бор Island “of New Zealand; rare. 
