214 THE ENTOMOLOGIST. 
+ Basal segment of abdomen black, legs red, hind coxee fuscous at 
the base. - - - 109. abdominator, 44 lines. 
++ Qnd and 3rd segments red, 3rd sometimes with a black line ({}). 
t Tibize sometimes sordid red or piceous. 
23. culpator, 7—10 lines (ante). 
tt Base and apex of hind femora red ; tibize red, apex of hinder one 
black. - - : : vulneratorius, 34—4 lines. 
++ 2nd—4th segments red; antenne beneath, base of hind femora and 
tibia, red. - - 45. latrator, 24—34 lines (h, s). 
+++ 2nd—5th segments red, ene of 6th reddish; front tibize only 
pale. : - - - 142. rufator, 5 lines. 
Section 10.—Scutellum pale; abdomen with pale spots, or some of the 
segments marked with, or entirely, yellow; apex of abdomen black. 
A. Antenne with a white ring (females). 
a. Abdominal segments 1st—4th, or 5th, with pale lateral spots. 
Hind legs black. 
** Hinder coxee without pubescence beneath. 
5. Bohemani, 8—12 lines. 
‘*k Hinder coxee pubescent beneath. 6. sugillatorius, 6—8 lines (t). 
b. 2nd—3rd, or 4th abdominal segments with lateral white spots, 1st 
segment quite black. - - 7. cyaniventris, 6 lines. 
B. 2nd—13th, or 14th joints of antenne pale, the rest black (females). 
2nd abdominal segment rufo-fulvous, 3rd yellow-edged, 6th nearly 
all pale yellow; femora and tibize reddish yellow. 
128. lautatorius, 6—64 lines. 
A. Basal segment only with white lateral spots or a streak (males). 
* Anterior coxee white, as well as sides of scutellum; femora and 
tibie red. - - : - - 12. mestus, 4 lines. 
*k Anterior coxee black, as well as femora. 
} Greater part of hind tarsi white. - 86. lewcomelas, 6—74 lines. 
++ Hind tarsi fuscous. - - 113. bipunctorius, 7—8 lines. 
B. Several of the basal segments with pale lateral spots (males). 
Legs black ; anterior tibize only partly pale. 
Abdomen lanceolate. - : 7. cyaniventris, 6 lines. 
Abdomen linear (anteunee sometimes white-ringed). 
6. sugillatorius, 6—8 lines (:). 
a. Ist—8rd abdominal segments entire margins, 4th—5th lateral 
margins, white. 
Legs black, front tibiee partly whitish. 
24. multicinctus, 42—6 lines (a, /). 
b. 1st—4th segments yellow, ‘base of each more ot less black. 
Legs yellow’ with black marks. - 33. wanthorius, 64—8 lines. 
c. Ist_—3rd segments straw-coloured at their apical margins. 
“A straw-coloured spot on the mesosternum ; gastrocieli obsolete ; 
post-petiole alutaceous. ae 78. jugatus, 5—6 lines. 
** No pale spot on the mesosternum ; post-petiole smooth. 
76. varipes, 2—3+ lines. 
d. Apical margins of 2nd and 3rd segments pale; post-petiole more 
or less punctated ; hind legs dark. 
85, dumeticola, 5—6 lines. 
