1863.] 
293 
beneath ferruginous except towards the tip. Thorax black, densely 
and confluently punctured; tubercles, tegulse, a line which passes over 
them, two very indistinct longitudinal lines on the disk, a spot on the 
pleura, and the scutellum which is subbilobate and prominent, dark 
ferruginous; metathorax less deeply punctured and slightly fringed on 
each side with silvery-white pubescence. Wings subhyaline, stained 
with fuscous towards the tip, which has a pale lunule; stigma pale 
ferruginous, nervures piceous. Legs dark ferruginous, the coxae, ex¬ 
cept tips, the trochanters and femora beneath blackish. Abdomen mi¬ 
nutely punctured, shining, black ; the first segment above has a narrow 
yellow line interrupted in the middle; the second segment has anteri¬ 
orly on each side a large, cuneiform, yellow macula pointed within, the 
points almost contiguous on the disk, the anterior margin of the macula 
laterally, is slightly indented with black; a narrow yellow line on the 
anterior margin on each side of the third segment; the fourth and fifth 
segments have each anteriorly a yellow fascia, indented on each side 
posteriorly, the fourth being slightly attenuated on the disk and divided 
by an obsolete blackish line, and the fifth being slightly indented on 
the disk anteriorly; anus piceous ; beneath black, a yellow spot on 
each side of the third segment and a line or two spots on the middle of 
the fourth segment. Length 4—bf lines. 
Male. Head black, finely punctured, clothed with short pale hairs, 
those on the clypeus and labrum silvery; the clypeus, labrum, man¬ 
dibles except tips, orbits of the eyes beneath and sides of the face near 
the base of the mandibles, yellow. Antennae as long as the head and 
thorax, blackish above, beneath rufo-piceous, scape in front yellow. 
Thorax densely and finely punctured, thickly clothed with short pale 
hairs, those on the sides of the metathorax somewhat silvery; tubercles 
and tegulae honey-yellow ; a yellow spot on each side of the pleura an¬ 
teriorly, immediately behind the fore feet. Scutellum subbilobate, 
prominent, blackish, sometimes with an obsolete yellowish spot on each 
lobe. Wings hyaline, apical margins clouded; nervures piceous. Legs; 
coxae blackish; anterior and intermediate legs in front yellowish-ferru¬ 
ginous, behind blackish-piceous or dark ferruginous; posterior pair 
blackish-piceous, varied with ferruginous, especially on the femora in 
front. Abdomen marked as in the female, except that the yellow 
macula on the second segment is broader and more widely separated 
A 
