216 THE ENTOMOLOGIST. 
«Margins of segments and marks on thorax yellow. 
33. vanthorius, 5— 64 lines. 
«+ Margins of segments and marks on thorax whitish. 
137. phaleratus, 34 lines. 
b. 2nd and 8rd segments yellow, orange, or red; 5th, 6th, and 7th 
with a yellow dorsal spot; tibize pieauioarcd: apex of 
hinder one black. - 38. terminatorius, 6—9 lines. 
c. lst—3rd or 4th segments testaceous at edges; legs dark. 
. luteiventris, 6—8 lines. 
A. Antenne, basal half bright yellow, the ae black ( males). 
Qnd abdominal segment with two yellow spots; 6th and 7th 
whitish yellow, legs yellow, bind cox and_trochanters 
partly, and apex of femora and tibie, black. 
120. dimidiatus, 54 lines. 
B. Antenne black (males). 
a. Abdomen and legs testaceous; petiole and hind coxe black. 
77. luteiventris, 6—8 lines. 
b. All the abdominal segments with pale edges; legs as in the females. 
* Marks on thorax and abdomen yellow. 
33. vanthorius, 5—64 lines (a). 
The last segments of this species are sometimes without the pale margins. 
*k Marks on thorax and abdomen whitish. 
137. phaleratus, 34 lines (0). 
c. 2nd, 3rd, 6th, and 7th abdominal segments with the entire 
margins; 4th, the margin interrupted in the middle, yellow; 
femora, tibiee, and tarsi orange, apex of hinder black. 
32. vaginatorius, 5—6 lines. 
d. 2nd segment rufo-fulvous; the remaining ones yellow-edged ; 
femora and tibiz reddish yellow. 
128. lautatorius, 6—64 lines. 
Srctrion 12.—Thorax red, or partly red with pale markings; abdomen 
bicoloured, or tricoloured. 
A. Abdomen red, base black; sometimes the apex brownish. 
* Thorax testaceous. 91. flavatorius, 7—9 lines, male and female. 
+k Thorax red, variegated with sulphur and black. 
102. exornatus, 4—6 lines, female (a). 
B. Abdomen red, apex black, anus white. 
Antenne with a white ring. 
a. Metathorax with more or less red. 
107. erythreus, 3—4 lines, male and female. 
b. Metathorax black. 
* Sides of thorax red. - 141. rubedinis, 44 lines, female. 
** Sides of thorax and breast black. 
+ Greater part of the head red. 98. ru/ficeps, 4—5 lines, female (¢). 
++ Head black, face sometimes with a red mark. 
vulneratorius, 34—4 lines, female (h, t, s, l, a). 
C. Abdominal segments 1st and 4th partly, 2nd and 3rd entirely, red, 
as well as part of mesothorax; scutellum, tibiz, and tarsi, 
apex of hinder one, brown. 108. Walkeri, 4 lines, female. 
(To be continued.) 
