80 PROCEEDINGS OF THE NATIONAL MUSEUM vol. 84 



Genus ODYNERUS Latreille 



ODYNERUS TEMPIFERUS Viereck 



Odynerus (Stenodyneftis) tempiferus Vieiieck, Trans. Anier. Ent. Soc, vol. 33, 

 p. 392, pi. 12, fig., 1908 ( $ ; Thomas Ranch, Oak Creek Canyon, 20 miles 

 southwest of Flagstaff, Coconino County, Ariz.). 



Odynerus trichiosomus Cameron, Pomona Journ. Ent., vol. 1, p. 127, 1909 ( $ ; 

 Gallinas Canyon, N. Mex.). 



Vicreck's description mentions only the color markings, although 

 he adds that except for the length of the thorax his species agrees 

 in size and structure with de Saussure's description of 0. iiurbidi, 

 from Mexico.^ O. tempiferus may, however, be recognized from 

 Viereck's figure, which represents a male, not a female as marked. 

 O. trichiosomus seems to be the same species, as suggested by the 

 following excerpts from Cameron's description: "Clypeus pyriform, 

 slightly but distinctly longer than wide, the apex with a shallow 

 rounded incision * * *, First abdominal segment cupshaped, 

 smooth, the second as wide as long, the basal two-thirds smooth, the 

 apical deeply irregularly, but not very closely punctured." The 

 length (11 mm) was probably measured from the frons to the apex 

 of the second tergite. 



Although in coloration the typical form of 0. te^niflferus, as here 

 recognized, is strikingly different from the variety mado. both agree 

 structurally in every detail. In addition to the characters mentioned 

 in the key, O. tempiferus differs from O. pratensis in several other 

 structural peculiarities, which may be found in the lengthy account of 

 macio given below. For instance, the basal two-thirds of the second 

 tergite are not so completely devoid of punctures in O. tempiferus, 

 that area appearing much smoother in O. pratensis. The antennal 

 hook of the male is shaped quite differently in the two species. O. 

 pratensis does not appear to reach the size of the largest O. tempiferus. 



Female {undescribed) . — Black. Clypeus, transverse flattened 

 hexagonal spot above interantennal ridge (sometimes including the 

 ridge), broad margins of inner orbits from clypeus to bottom of 

 ocular sinuses, spot at base of mandible, major part of cheeks, a 

 streak on under side of scape, anterior half of dorsal face of pro- 

 notum, two spots on scutellum, usually most of transverse ridge of 

 postscutellum (sometimes lacking), spots on dorsal areas of pro- 

 podeum, tegulae (except median ferruginous spot), large spot on 

 upper plate of mesepisternum (beneath base of fore wing), most of 

 horizontal dorsal area of first tergite (except a median spot, pro- 

 duced posteriorly into a line), broad apical margins on succeeding 

 tergites and sternites, lateral spots on anterior half of second tergite 

 '■^sometimes very small, or connected with the apical margin), spots 



•irhidi i.s unknown to me. H. de Saus.snre's description does not mention clearly 

 -gt and basal two-thirds of tlic second tergite are impunctate. 



