102 
t+t+ 
THE ENTOMOLOGIST. 
Front coxe black; tarsi white; hinder apex obscure. 
17. comitator, 6—8+ lines (s) 
. Hind tibiz white outside. 
* Face without pale marks. - - 144. tibiator, about 2 lines. 
* Face with pale marks. - - 73. pallifrons, 4—T lines (s). 
. Hind tibie not marked with white. 
Thorax not marked with white. 
Hind femur red; extreme apex black. 185. obator, 4—4} lines. 
Hind femur entirely red. - - - 68. cessator, 6—74 lines. 
Hind legs black. 
Front femur and tibie red. - 74. maculifrons, 5—5% lines (h). 
Front tibie yellow. - 75. coruscator, 5—5} lines (A, t, s, l, a). 
Front tibiz white within, remainder black. 
188. nigerrimus, 6 lines. 
Thorax with pale marks. 
Basal keels of scutellum black. 
Face entirely yellowish white. - - - 79. clericus, 5 lines. 
Orbits internally and externally more or less yellow. 
Areolet towards the costa narrow. 2. bilineatus, 6—8# lines (s, l). 
Areolet towards the costa wide. - - - 18. derasus, 6 lines. 
Basal keels of scutellum white. 
2nd segment somewhat longer than wide. 
10. lineator, 6—9 lines (t, s, J, a). 
Qnd segment not longer than wide. — - 15. impressor, 6 lines. 
Sgction 2.—Scutellum black; abdomen black, with white marks. 
A. 
Intermediate segments only marked with white (females). 
24. multicinctus, 54 lines. 
B. Apical segments only marked with white (females). 
a. Antenne with a white ring. 
* Hind femur red. - E - - - 79. clericus, 5 lines. 
** Hind femur greater part black. 
+ Front tibiee red. 
t Middle area of post-petiole aciculate. 68. Faunus, 4—5 lines (I, s). 
tt Middle area of post-petiole scabriculous. 65. gemellus, 54—7 lines. 
++ Front tibiz partly whitish or pale straw outside. 
§ Middle area of post-petiole aciculate. 73. pallifrons, 4—7 lines. 
§§ Middle area of post-petiole rather smooth and shining. 
76. varipes, 2—3% lines (male differs in 
having no ring on antenne). 
b. Antenne not white-ringed. - - - 63. cesssator, 6—7+ lines. 
Section 8.—Scutellum white or red; abdomen black, or the edges pale. 
JsNe 
a. 
* 
Dy 
| 
+ 
+ 
Antenne with a white ring (females). 
Tibie without white. 
Thorax with no white line before the wings. 
8. sinister, 72—9 lines (a). 
Thorax generally with a white line before the wings. 
Gastroceli of 2nd segment of abdomen distinct. 
Vertical orbits of eyes spotted with white. 
