646 ASILID^ 



tips towards the upper eye-angles, but the postvertical channel is bare and 

 causes an interruption ; the hairs of the fringe on the upper half of the head 

 are really bristles as they are stout and strong, but they are hardly long 

 enough or curve over enough to call them a festoon ; actual back of the head 

 all orange and bearing some pale pubescence on its upper part ; frons bare on 

 the middle and all above the ocelli, but some small yellow bristles occur 

 on the sides level with the ocelli, and soon after the lower ocellus some 

 stronger yellow bristles occur on the sides in about three irregular rows, and 

 these bristles slope very much forwards and continue until level with the 

 upper part of the antennae, but the wide middle part of the frons between the 

 ocelli and the antennae is bare, and the somewhat diamond-shaped depression 

 extending across just above the antennae is black; ocellar space not much 

 elevated, bearing a few small orange bristles of which occasionally the upper 

 pair are black. Proboscis long, shining black, with the basal half on the 

 underside reddish and with some short weak obscurely yellowish pubescence 

 about the tip and some long pale yellow hairs beneath near the base ; palpi 

 short (not a quarter the length of the proboscis), thin, and brownish orange, and 

 bearing mixed black and orange rather porrected bristly hairs. Collar 

 brownish orange, with abundant yellow pubescence and with about four incon- 

 spicuous yellow bristles on the upper part. Antennae (fig. 340) with the two 

 basal joints reddish orange but with the third joint black ; basal joint bearing 

 short adpressed bristles which are mainly orange on the upper part but more 

 or less black beneath ; second joint with only very short inconspicuous orange 

 bristles ; third joint elongate strap-shaped but attenuated towards its tip, 

 four or five times longer than broad ; style black, thin but not hair-like, about 

 half as long as the third joint and turned outwards. 



Thorax brownish orange with faint slightly browner broad nearly coal- 

 escing stripes on the hinder two-thirds, but with the middle stripe continued 

 as a split blackish brown stripe right up to the front part and widened there ; 

 the brownish orange line which splits the middle stripe is continued faintly 

 quite through to the hindmargin : back part of the humeri usually bright 

 chestnut. Pubescence composed of minute bristles all over the disc except on 

 the narrow brownish orange middle line, and these bristles are black on the 

 disc but yellow on the sides and turn to rather longer thinner hair-like 

 pubescence on the humeri and just above the wing-base and on the base of 

 the postalar calli. Bristles not very long or strong but very conspicuous, 

 because there are no long bristly hairs near them and because they are bright 

 whitish yellow in contrast to the brownish orange ground colour ; usually two 

 (2-3) praisutural, three or four supra-alar almost intra-alar, three or more (3-5) 

 postalar, and from four to six (often not symmetrical) dorso-central which are 

 all well after the suture. Pleurae with the ground colour obscured by reddish 

 orange dust ; prothorax and part of the space below (near the front coxae) 

 with abundant rather long pale yellow pubescence ; mesopleurae with whitish 

 hairs about the hind toj^ corner and some indistinct black bristly hairs about 

 the front top corner and down the hindmargin mixed with some whitish 

 yellow hairs ; sternopleura^ with several black hairs on the upper back part ; 

 pteropleurae with some long yellow bristly hairs on the middle of the upper 

 part ; metapleurae with a fan of about six long bristly hairs or bristles and 

 numerous shorter hairs, varying in colour from all black to sometimes all 

 yellow or sometimes partly black and partly yellow ; hypopleurae with an 

 imperfect fan composed of about four long bristly hairs (of which the top one 

 or two may be yellow). Scutellum brownish black, but in some lights obscured 

 by reddish orange dust, and bearing numerous short black bristles except down 

 a rather broad middle stripe, and with about four (2-6) upturned curved 

 yellow marginal bristles which are rather long but not stout or strong ; 

 metanotum shining black, with the humps at its sides brownish orange and 

 bearing at their lower back part some very dense brush-like rather short black 

 bristly pubescence. 



Abdomen long, not quite so broad as the thorax but one and a half times 

 as long as the head and thorax together, with the three basal segments dull 

 deep black and the next four bright orange or occasionally reddish orange 

 with blackish reflections on the sides when seen from above ; eighth segment 

 not visible dorsally ; second segment with elongate dull whitish (in some 



