62 



abundant similarly long black hairs, these black and yellowish hairs all 

 becoming shoter towards the upper surfac : ; fore tibiae with very short, 

 inconspicuous in some part, black pubescence ; middle tibiae covered 

 with similar pubescence ani bearing two unequal blackish spurs; on 

 the hind tibiae the pubescence is black and becon e longer at the 

 upper and lower margins, the two spvtrs blackish and about as long as 

 in the middle tibiae ; pulvilli gryish yellow. 



Abdomen usually a little longer than the head and thorax (in- 

 cluding the scutellum) together, broadest at the base ot the second 

 segment and gradually narrowed posteriorly, the apex being pointed, 

 orange yellow excepting of the apical three segments black. Dorsum 

 more convex than in the female; first scgnent blackish, with the 

 small orange yellow lateral markings which are very rarely wanted ; 

 the following three segments with two oblique black spots in the middle 

 of each disc, these spots at the base generally united from each other, 

 leaving the triangular middle orange yellow spot which is connected 

 with the narrow greyish yellow posterior border, but sometimes all or 

 some of them separated throughout their length by a narrow orange 

 yellow stripe which is about same in width ; the anal black segments 

 with an inconspicuous (in sometime 5 very coivp'cuous) greyish yellow 

 line in the middle of the disc, on the first one of these segments the 

 inconspicuous reddish spots very rarely occur before the lateral margins ; 

 pubescence short, orange yellow, becoming longer at the sides of the 

 basal two segments and on the middle orange yellow triangle spots in 

 the second and third segments ; the orange pubescence mostly rather 

 inconspicuous but that on the apical three segments distinct especially 

 on the posterior margin of each segment ; on almost whole the surface 

 there is an other conspicuous pubescence which is longer and black, 

 and becomes much longer at the black median spots. Ventre convex ; 

 first two segments with the small mibdle black spot in which the 

 posterior one is much smaller and paler, and which is a stripe l:ke 

 marking ; pubescence yellowish, short, with a little darker long hairs; 



