58 



CATALOGUE OF 



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Scutellum obtuse and rounded at the tip. 



Scutellum triangular, sometimes rather acute. 

 Legs long, slender. 



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. - 



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. 



Body slightly elongated. Side angles of the 

 hind lobe of the prothorax acute, slightly 

 prominent outward. ... 



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. 



Hind lobe of the prothorax with no tubercles. 



Abdomen even at the tip greatly dilated ; 

 dilated part of ihe segments convex. 



Abdomen not or slightly dilated landward. 



Head longer than the prothorax. 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. 



Srcond joint of the rostrum more than thrice 

 longer than the first. Abdomen very 



Epidaub. 



PNIRiUS 



Vesuxus. 



Gminatus. 



EuAGORAS. 



Vestula. 



Sycanus. 



Ulfius. 



Yo LINUS. 



Pantoleistes. 

 Velinus. 



