449 T'ransactions. 
When well developed, cell Cu may be looped anteriorly, owing to the 
confluence of 1st A and Cu, as one vein (fig. 24), or it may be truncated 
by Cu, being at right angles to Ist A (fig. 9). Further, cell Cu may be 
equal to, longer, or shorter than cell M. 
Genus HEMERODROMIA Meigen. 
‚М, а , being fused for some distance beyond cell 1st M,; the 
vein Sc, also, is evanescent at its apex. 
H. fontanalis n. sp. 
Ж; 
Thorax elongated, black in ground-colour but clothed-with cinereous 
pubescence arranged to form a pair of longitudinal darker narrow strips 
and an outer darker patch on each side ; chaetotaxy as illustrated in fig. 8. 
_ Wings (fig. 9) colourless, veins tawny, main veins thickened ; Sc indis- 
tinct and evanescent apically; R,+, arising not much in front of origin 
of R,,,; veins M, and M, confluent after leaving cell Ist М,, but 
branching before reaching costa; Ist M, rectangular; cell M much longer 
9. Length, 2-5 mm. 
Holotype : 9, No. 1223, D. M. 
Habitat.—Rotorua, on banks of a stream. 
Genus ІлтАхомүТА Melander. 
The wing of this genus is characteristic ; the anal angle is not developed ; 
1st À is obsolete, although Cu, is distinet and at right angles to the line 
Ist A, the cell Cu being longer than cell М; cell Ist M, elongate ; Ry 
