E 
MILLER.—Diptera Fauna of New Zealand. 451 
B. hamiltoni n. sp. 
black orbital bristles above foramen. Ocellar triangle prominent, blackish- 
rown, ocelli golden ; pair of prominent ocellar bristles. Proboscis and 
palpi withdrawn, blackish-brown with somewhat lighter reflections ; apex 
y. 
prominent; R, not strongly recurved; no supernumerary cross-vein 
between R,,, and 4*5; apex of cell Cu somewhat obtuse in comparison 
with that of В. adelensis. Halteres light-yellow. ; dere 
Legs black with silvery rather yellowish-grey reflection, which is 
particularly persistent on coxae. Middle legs shorter than others and with 
swollen femora ; anterior and posterior legs slender but apex of tibiae and 
band; this pattern seen only in certain lights. Male : genitalia (fig. 41) 
black, claspers bristly and each terminating in stout bristles ; their inner 
t spi i 
{Subfamily EMPIDINAE. 
Anal angle of wing developed ; Cu, forming an obtuse angle or con- 
fluent with Ist A; cell 1:t M, present; vein Sc complete or evansecent 
арау; R, and R 5 fused throughout or branching. 
15* 
