184 bombyliiDjE. 



anterior margin, on the mesopleurfie and nietapleurae, and below 

 the posterior calli ; while short bristly concolorous hairs occur 

 above the wing; humeral oalli gre_yish, with some long black 

 hairs ; some powerful black spines in front of and above the wing- 

 base ; posterior calli brownish, with short black hairs and about 

 six powerful black spines directed posteriorly; scutellum reddish 

 brown, with soft short black pubescence and a row of slightly 

 curved black spines on hind margin. Abdomen black, with short 

 black bristly depressed pubescence; 3rd segment nearly covered 

 from the base with small yellowish-white scales, 6th and 7th 

 segments with similar though iiarrower bands. A bunch of long 

 narrow reddish-orange scales at the sides of the 1st and the base 

 of the 2nd segments, and coarse bristly concolorous hairs ex- 

 tending along the sides of all the segments to the tip, where they 

 are continued across the posterior margin of the last segment ; 

 ground-colour of 2nd segment a little dull reddish brown at the 

 side : venter brownish grey, hind margins of segment with short 

 yellow scale-like hairs ; there is also a more or less distinct 

 median stripe of much longer similarly coloured bail's, and a few 

 of such longer liairs are scattered irregularly over the surface. 

 Genitalia bright orange, placed sideways, with yellower parts ; an 

 oblong dorsal plate with rounded, rather projecting, carmine-tinted 

 hind corners, a pair of claspers and an upper tubular piece are 

 apparent, all with yellow pubescence, but the whole organ is 

 withdrawn considerably. Legs with coxae blackisli grey, with 

 some stiff black bristles, especially on hinder pair, and a few 

 reddish-orange hairs ; femora and tibise ferruginous, tarsi blackish ; 

 femora covered with small closely applied yellow scales, and with 

 tiny black bristles, the fore pair with a moderate amount of longer 

 soft black hairs, the posterior pairs with a row of obvious black 

 spines of moderate size below ; fore tibiae with a few closely 

 applied yellow scales, black pubescence, and a few bristles ; middle 

 and hind tibife with more obvious scales and distinct rows of short 

 black bristles, both scales and bristles stronger, and the former 

 more outstanding on the hind pair; tarsi with very short bristly 

 black ])ubescence. Wings clear, hyaline, ribbed ; a powerful 

 curved black spine at base of costa, which latter as far as the humeral 

 cross-vein is closely set with short black spines, as well as the 

 upper basal corner of the w"ing-surface itself ; venation normal, 

 veins reddish brown ; an oblique dark brown band extends from 

 the tip of the auxiliary vein (though the colour fills out the sub- 

 costal cell to its tip) to the anal border of the wing, embracing 

 the anterior cross-vein, basal half ofdiscal cell, 2iid basal cell 

 wholly, basal half of anal cell and less than basal half of axillary 

 cell, the limitation of the colour appi'oximately parallel with hind 

 border of wing ; anal angle distinct, with fringe of dirty brownish 

 elongate scales ; alar squamae large and compact, with a similar 

 fringe of longer brownish-yellow elongate scales : halteres 

 brownish yellows 

 Length, 13-20 mm. 



