58 
catalogue: of 
+ Scutellum obtuse and rounded at the tip. 
++ Scutellum triangular, sometimes rather acute. 
Legs long, slender. 
O Body elongated. Head with two spines in 
front. First joint of the rostrum longer than 
the second. Fore wings not or hardly 
extending beyond the tip of the abdomen. - 
OO Body oblong. Head in front behind the 
antennae with two little lobes. First and 
second joints of the rostrum about equal in 
length. Fore wings extending much 
beyond the tip of the abdomen. 
-* — *■ First joint of the rostrum shorter than the 
second. 
++ First joint of the rostrum a little shorter than 
the second. Body oblong. Lobes of the 
disk of the prothorax spiny. 
First joint of the rostrum much shorter than 
the second. Lobes of the disk of the pro- 
thorax with no spines. 
Body somewhat elongated. Hind lobe of the 
prothorax armed on each side a little before 
the lateral angles, with a long spine which 
is more or less inclined forward. 
u»t£n Body slightly elongated. Side angles of the 
hind lobe of the prothorax acute, slightly 
prominent outward. - 
oo Side angles of the hind lobe of the prothorax 
unarmed, rounded, rarely prominent. 
-+• Head longer than the prothorax. Scutellum 
with a very distinct tubercle or with a more 
or less erect spine, which is sometimes 
dichotomous at the tip. Abdomen most 
often much dilated and rounded. - 
Scutellum unarmed or with a short obtuse 
spine which is inclined backward, hardly 
reflexed. 
Several segments of the abdomen or at least one 
widened into a rounded lobe. 
*&* Hind lobe of the prothorax bituberculate. 
ut'u?' Hind lobe of the prothorax with no tubercles. 
+ Abdomen even at the tip greatly dilated ; 
dilated part of the segments convex. 
-J — 1- Abdomen not or slightly dilated hindward. 
* Head longer than the prolhorax. Legs not 
knotty. - - - - 
** Head not longer than the prothorax. Legs 
slightly knotty. - 
No segment of the abdomen or only the apical 
one prominent in a lobe. 
M7* Second joint of the rostrum more than thrice 
longer than the first. Abdomen very 
Efidaub. 
Pnirbus 
Vesulus. 
Gminatus. 
Euagoras. 
Vestui.a. 
Sycanus. 
Ulpios. 
Yolinus. 
Pantoleisxes. 
Velinus. 
