Sinclair: Hydropeza empidid flies of Australia 
5 
Figures 3-6. Habitus images of dried mounted male species of Hydropeza , lateral view. (3) H. aptera. (4) H. intricata. (5) H. tasmanica. 
(6) H. unguicula. Scale bars =1.0 mm, except Fig. 3 where scale bar = 0.5 mm. 
with 1 pair of finer outer marginal setae; disc of scutellum with 
0-1 pair of long setae. Antepronotum with pair of pale setulae. 
Legs. Coxae and femora ventrally yellowish-brown; 
remaining segments increasingly darker apically. Inner 
anterior margin of fore coxa with some 15-20 dark, 
variously lengthened and thickened spine-like setae, mostly 
concentrated apically; basal most seta longer than width of 
coxa. Anterior surface of mid and hind coxae with long brown 
setae. Legs clothed in very long setae as typical for genus, 
especially ventral faces. Fore femur straight, inflated (subequal 
in thickness to mid femur), with row of 2 stout anterior setae 
at apical fifth; 4-6 posterodorsal setae, apical 2 setae distinctly 
stouter. Fore tibia with 3 anteroventral setae on apical third; 
2 anterodorsal and 2 posterodorsal setae; 1 anterodorsal 
preapical seta. Fore tarsomere 1 with 1 basal antero ventral and 
1 preapical anterovental seta, more than 2 x width of segment; 
