104 
i 
$§9$ 
THE ENTOMOLOGIST. 
No white marks before the scutellum. 
Lateral margins of scutellum white. - 26. scutellator, 6 lines. 
Scutellum and post-scutellum marked with sulphur-colour. 
102. exornatus, 4—6 lines. 
Front coxe not white. 
Middle area of post-petiole aciculate. 
Vertical orbits of eyes marked with white. 
No white marks at the base before the scutellum. 
Scutellum white. - - - - 9. leucocerus, 74—!) lines. 
Two white marks at the apex of the scutellum. 
65. gemellus, 54—7 lines (s, l, a). 
Lateral margins of scutellum white. 5. trilineatus, 6—8 lines ((). 
Middle area of post-petiole rugose; supero-medial area of meta- 
thorax quadrate; areolet of wing wide above; four front 
femora and tibiz pale red; apex of scutellum only, white. 
110 albifrons, 54—6} lines. 
Basal keels before the scutellum generally white. 
2nd segment of abdomen somewhat longer than wide. 
10. lineator, 6—9 lines (t, s, l, a). 
Vertical orbits of eyes not marked with white. 
Femora black. 
Hind tibie marked with faded straw-colour, or quite black. 
31. languidus, 7—7}4 lines (t). 
Hind tibie red, apical half black. 64. submarginatus, 5 —7 lines. 
Femora and tibie red, apex of hinder one black. 
52. quadrialbatus, 4—5 lines. 
Middle area of post-petiole alutaceous(*), or rather smooth(***). 
*71. fabricator, 5—7 lines (h, s, 1, a). 
External radial nervure much incurved at the apex. 
**72. curvinervis, 24—4 lines (s). 
Middle area of post-petiole aciculate-punctated. 
No white. marks before the wings; femora and tibiz red, sometimes 
greater part black. 84. monostagon, 5—64 lines (s, 1). 
Srorron 4.—Scutellum more or less pale; abdomen black; apical 
A. 
segments generally pale. 
Scutellum and marks in front of wings reddish (females). 
99. ochropus, 4—54 lines. 
B. Scutellum yellowish white, or white (females). 
a. 
t 
Tibie (especially the hind one) marked with white; legs the 
greater part dark. 
Vertical orbits broadly white. | - 116. cingulipes, 64 lines. 
Frontal orbits red, if not black. 
- Are of metathorax, five complete. 27. multiannulatus, 6—8 lines. 
- Aree of metathorax, three complete. 
Hinder coxee without pubescence beneath. 
39. melanotis, 7—8 lines (a). 
Hinder cox with pubescence beneath. 28. molitorius, 6—9 lines. 
. Tibie not marked with white. 
Gastroceeli of 2nd segment of abdomen moderate. 
Middle area of post-petiole aciculate; vertical orbits not marked 
with white. 
