NORTON! A. 139 



Gen. NORTONIA (Mm/). 



Mandibles lengthened, dentate or lobate. 



Lip and jaws lengthened; labial palpi composed of four 

 articles ; the first three armed with long hairs ; maxillary palpi 

 composed of six articles. 



Clypeus pyriform, truncate or emarginate. 



Abdomen having its first segment retracted, funnel-shaped or 

 subcampanulate, subbidentate in the middle. 



Metathorax short, convex, its groove shallow, flattened behind, 

 its lateral edges distinct. 



The remainder as in the Montezumia. 



This type establishes the transition of Odynerus to Eumenes. 



The organs of the mouth are almost the same as in Eumenes 

 and Odynerus, b.ut the body has the form to which it inclines in 

 Montezumia, the first segment being funnel-shaped, not sessile, as 

 in Odynerus, but not contracted into a petiole as in Eumenes. 



1. UT. intermedia Sadss. 



Odynerus intermedins Sauss. Vespides, I, 155, 39; pi. xvii, fig. I, III, 224 

 (1852). 



Hah. Southern Europe. 



2. IV. syminorplia Sauss. — Nigra, nitida, dense punctata; clypeo 9 

 subemarginato, % integro flavo; antennis subtus ferrugineis, soapo •% 

 fascia flava ; ' mesonoto bisulcato, metanoto medio foveolato, pronoto 

 medio abdominisque segmentorum limbo £ 1-3, $> 1, 2, limbo, flavis; 

 Begmentis 2, 3 margine subrellexo; tibiis et tarsis flavis; alis fusco- 

 violaceis. 



Odynerus symmorphus Sauss. Vespides, III, 246, 119 (1S54). 



Total length, 17 mm. ; wing, 14 mm. 



9. Clypeus black; oval, convex, punctured ; its inferior border 

 channelled, terminated by a slender and shining, subemarginate, 

 subbilobate lamina; between the antenna a little transverse 

 tubercle or carina. On the vertex is a transverse depression. 

 Thorax moderate, ovate. Head and thorax punctured and 

 clothed with a ferruginous pile; mesothorax marked on the 

 posterior part of its disk with two or lour longitudinal gro< 



