314 THE CA.NA.DIAN ENTOMOLOGIST. 



testaceous; proboscis deep brown; palpi deep brown towards the apex; 

 joints testaceous, with a few golden and black hairs, apical joint long, as 

 long as the rest of the palpi. Thorax deep brown, clothed with bright 

 reddish-brown narrow curved scales, a narrow median black line and a 

 narrow line of creamy scales on each side, also a few creamy scales in 

 front, over the root of the wings and before the scutellum ; four rows of 

 long dark bristles on the posterior half of the mesonotum ; scutellum 

 brown with narrow curved pale creamy scales and long dark posterior 

 border bristles ; metanotum pale brown ; pleura fawn coloured, densely- 

 white scaled. 



Abdomen deep blackish brown with basal white bands and a few 

 yellow scales on the apices of the last three segments ; border bristles 

 pallid ; venter densely clothed with creamy-white scales. Legs with the 

 coxfe pale, with creamy scales ; femora pale basally and ventrally, with 

 scattered brown scales becoming densest towards the apex, extreme apex 

 with a yellow spot ; tibiae brown, mottled with pale scales, darkest 

 towards the apex and with black bristles ; fore metatarsi and first two 

 tarsal segments with narrow pale basal bands ; mid-tarsi the same as the 

 fore ; hind legs with a pale basal band to the metatarsi and first three 

 tarsal segments, last segment black ; all the ungues uniserrated. 



Wings with brown scales except on the subcostal vein and one side 

 of the first long vein, where they are mainly white, and also at the base of 

 the costa ; the lateral vein-scales on the second, third, fourth and apex of 

 the fifth veins long ; the first, third and fifth long veins with darker scales 

 than the remainder ; fork-cells short, the first submarginal cell longer and 

 narrower than the second posterior cell, its base about level with that of 

 the latter, its stem slightly longer than half the length of the cell ; stem of 

 the second posterior about the same length as the cell ; posterior cross- 

 vein rather more than its own length distant from the mid cross-vein ; 

 fringe dense, brown. Halteres with pale testaceous stem and fuscous 

 knot. 



Length. — 4.2 to 5.5 mm. 



$. — Palpi brown with a white band at the base of the two apical 

 joints, plume hairs brown, yellow opposite the pale basal areas, there is 

 also a pale band on the long antepenultimate joint, the last two joints of 

 nearly equal length, the apical one slightly the shorter ; apex of the 

 antepenultimate swollen. Antennae with brown plume hairs tipped with 

 grayish-yellow ; scales of the head gray. Thorax with looser, more 



