Genus Pneumacule, 



525 



bands spread out laterally ; posterior border-bristles bright 

 golden-brown, with shorter intermediate paler ones. 



Legs with femora and tibiae deep brown, with scattered white 

 scales, the base and under side of femora mostly white ; apex of 

 tibiae white ; fore-legs unhanded ; mid legs with a narrow pale 

 band at the tibio-tarsal and two following tarsal joints ; in the 

 hind legs the banding is broader and extends to all the segments, 



Fig. 240. 



Pneamaculex signifer. Coquillett. 



a, Siphon and anal segments ; b, labial plate ; c, antenna ; 



d, scale area of 8th segment. (After Smith.) 



but the last, which is all white ; ungues of fore-legs unequal, 

 uniserrate ; mid unequal simple ; hind equal and simple. 



Wings with large brown and white scales. First sub-marginal 

 cell much longer and narrower than the second posterior cell, 

 its base about level with the latter, its stem about one-third 

 the length of the cell ; stem of the second posterior rather more 

 than one-half the length of the cell ; posterior cross-vein longer 

 than the mid, about its own length distant from it. Halteres 

 with pale stem and knob. 



Genitalia with stout basal lobe, tapering gradually to a 

 narrowly rounded apex ; clasper rather stout, slightly expanded 

 at the base, with a stout terminal spine, and four to five more 



