6. CHRYSOPILUS 303 



rather long erect not scarce black hairs with some short golden hairs inter- 

 mixed on the disc and sides. 



Abdomen dull black or brownish black, narrower than the thorax and 

 usually conical, being less than half as wide at the tip as at the base, with the 

 segments after the second gradually diminishing in length ; pubescence 

 forming a very conspicuous golden fringe or crest across the hindmargin 

 of the basal segment, but otherwise with only moderately conspicuous long- 

 golden hairs on the five or six basal segments, and these hairs are not 

 abundant anywhere but are seen best when viewed from behind, and there 

 are also abundant shorter but more erect inconspicuous blackish hairs 

 especially about the hindmargins, and these blackish grey hairs become 

 more abundant and exclude all the golden pile on the end segments except 

 on the middle of the disc. Belly black, rather shining ; pubescence similar 

 to that on the dorsal surface but shorter and the golden hairs less prominent, 

 and there is no sign of any golden fringe near the base. Genitalia with a 

 dull black semicircular emarginate or bilobed middle basal piece, close to 

 but clear of which lie the two-jointed side lamelljse, the basal joint being 

 large and oblong with the lower outer angle projecting and the underside 

 bearing a delicate pale fringe, but the second joint elongate ovate and 

 curved inwards and having a brown tip. 



Legs dull black, but testaceous on the extreme tip of all the femora, on 

 all the tibiae, and on the basal joint (except indeterminately at its tip) of all 

 the tarsi ; front coxas greyish black, large, and bearing ratlaer abundant long 

 black pubescence all over the front part, though a few hairs towards the 

 inner side may be rather tawny ; middle coxae rather similar, but the hind 

 coxse with the long black hairs restricted to about the apical half on the outside 

 and sometimes considerably mixed with golden hairs ; front femora with 

 very slight scattered blackish pubescence beneath and postero-ventrally, but 

 postero-dorsally bearing a patch of adpressed brownish yellow scales on 

 about the basal two-thirds ; middle femora with the brownish yellow or 

 blackish postero-dorsal scales extended almost to the tip, while at the tip 

 both antero- and postero-ventrally there are some small inconspicuous black 

 bristly hairs ; hind femora with the scales almost as on the middle femora 

 except that they are antero-dorsal, and with a short black ciliation beneath ; 

 all tibiae and the basal joint of all tarsi long and thin, with the usual tiny 

 black bristles but with no " touch-hairs " beneath the front tarsi ; front tibiae 

 slightly shorter than the tarsi, but the middle and hind tibise each increasing 

 in length and longer than their tarsi ; middle tibiae each with two long 

 testaceous spurs, and the hind tibiae with one rather short antero-ventral 

 one; front tarsi with the last joint inconspicuously flattened. Pulvilli 

 brownish yellow ; claws small, black. 



Wings smoky brownish to the very base, and with a conspicuous dark 

 brown stigma which is elongate ovate and which lies in but does not reach 

 the end of the marginal cell ; base of the cubital fork usually rather 

 rectangular ; anal cell closed well before the wingmargin ; veins dark brown 

 or black, rather thick on especially the fore part ; base of the costa with a 

 rather conspicuous tuft of rather long black bristly hairs ; subcostal vein 

 with minute scattered black spines on the basal half. Squamae (alar) obscure 

 pale brown, rather large, smoky blackish orange with blackish margins ; 

 fringe short and equal, with the hairs in a single row. Halteres long, dull 

 black with a brownish orange stem. 



'o^ 



Very distinct from the male. Head scarcely wider than the thorax, and 

 mainly light grey or l^rownish grey ; frons and face of almost equal width 

 from the ocellar space to the mouth, being nearly half the width of the head ; 

 frons with a very narrow channel down the middle, on each side of which is 

 a large undefined brownish patch (on which are often but not always a 

 number of tiny black bristles), while higher up on each side of the ocellar 

 space is usually a smaller patch on the front part of which are always some 

 short black bristles ; a sloping channel (or ridge between two small channels) 

 bounds the upper part of the frons and extends from each eye towards the 

 back of the head above the ocellar space, and just above the antenna? an 

 indefinite transverse channel crosses the frons, and this channel is projected 



