326 IIYMENOPTERA OF AMERICA. [PART I. 



two dots of this color on its sides. Tibia? whitish, spotted with 

 black behind. Wings transparent, nervures brown. 



Var. No lateral spots on the 2d segment. 



liens, a. diff. — This Odynerus differs from 0. jiedestris and 

 Pennsylvanicus, by the coarse punctuation of first segment, etc. ; 

 from the 0. perennis, by its thorax, shorter, less strongly punc- 

 tured than the first segment, by its less elevated head, its less 

 prolonged form, etc. ; from the 0. texensis, by its less angulate 

 and less rugose metathorax ; by its first segment more coarsely 

 and more equally punctured throughout; by the 2d less strongly 

 punctured, especially along its posterior border, etc. — From all 

 by its whitish, not yellow ornaments. 



Hab. United States. One $ taken in Illinois by Mr. Robert 

 Kennicott. 



126. Oo propinqillis Sauss. — Gracilior, ubique dense punctatus, 

 fulvo-velutinus, aurantio vel rufo variegatus ; pronoto autice et postice 

 ruf'o-limbato ; macula subalari, tegulis, post-scutello, nietanoti cauthis, 

 segmentoruni limbo, macula utrinque iu secuudo seguiento pedibusque 

 runs J . 



Odijn. propinquus Sauss. Revue de Zoolog. XXII, 1870, 104, 24, 9 • 



Total length, 11 mm. ; wing, 8 mm. 



?. Yery similar to 0. oculatus. Clypeus not so produced, 

 more truncate, very coarsely punctured, very obsoletely bicari- 

 nate below and biangulate at tip. An impressed point on the 

 vertex. Thorax a little narrower. Cavity of the metathorax 

 rounded, smaller, punctured; its margins quite rounded. Abdo- 

 men more cylindrical, the 2d segment not much wider than the 

 first, as in 0. vagus. The whole insect densely and almost 

 equally punctured ; the second abdominal segment as strongly 

 punctured as the 1st, and like the thorax, but its hinder margin 

 and the 3d more coarsely punctured ; the base of the 2d above 

 subtuberculate. 



Black, grayish-velutinous, with a rather fulvous, hairy clothing; 

 head and metathorax with a grayish reflection. A spot on 

 mandibles, a fascia on the top of the clypeus, a frontal spot, a 

 dot on the sinus of the eye, and a post-ocular spot, orange or 

 pale ; antennae black, joints 1-2 rufous, a little obscure above. 

 Botli edges of prothorax, the anterior with a wide bilobed inter- 

 rupted fascia, the posterior with a narrow line, a spot under the 



