328 p. CAMERON. 



bluntly rounded, rugose. Apex of post-scutellum bluntly rounded, almost trans- 

 verse, smooth. Thorax about twice longer than wide. Apex of femora, the 

 tibiae and tarsi luteous, suffused with rufous. There is a short, but distinct 

 pedicle to the 1st abdominal segment. 



New Mexico. Allied to 0. campestris Sauss., which may be known 

 by being larger, by the red femora, by the spot on the sides of meta- 

 notum and scutellum. 



Odynerns ruficandis sp. nov. 



Rufous; the top of the clypeus, the greater part of the front, a band on the 

 base of pronotum, reaching to the middle on the outer half, scutellums, the sides 

 of metanotum broadly, a mark below the tegulje, roundly narrowed at the base 

 above, the apex straight, the lower part rounded, the apices of all the abdominal 

 segments except the last, the line on the 1st broadly dilated backwards to the 

 top of the apical slope and the apex of the 2nd ventral, pale yellow; the legs 

 colored like the body. The flagellura from the 3rd joint is black ; the scape and 

 basal joints red. Wings hyaline, suffused with violaceous, the costa fulvous. 9- 

 Length 9-11 mm. 



Clypeus clearly broader than long, strongly punctured, the apex almost trans- 

 verse, with a short blunt tooth laterally. Head, pro- and mesothorax strongly, 

 closely punctured ; the base of the mesonotum and the apex at the sides black; 

 there is a furrow down the apical slope of the scutellum. Apex of post-scutellum 

 transverse, smooth, with a steep slope; its top is more rugosely punctured than 

 the scutellum. Sides of metanotum with a somewhat sharp edge; the upper 

 half of the centre is almost smooth; the lower transversely striated, the rest 

 punctured ; the base of metapleurse almost smooth, the rest closely, somewhat 

 rugosely obliquely striated. The 1st abdominal segment smooth, cup-shaped ; 

 the 2nd is slightly wider than long, closely punctured, most strongly at the apex ; 

 the others are more coarsely punctured. Mandibles rufous, slightly yellow at 

 the base ; the inner edge blackish. 



New Mexico. The two specimens I have examined are identical 

 in coloration. The species may be only a form of annulatus, but 

 all the specimens I have seen of that species have the 2nd abdomi- 

 nal segment shorter, broader and with a broad — broadest in the 

 middle — strongly punctured depression on the apex. None of the 

 specimens of annxdatus I have seen have the apex of the abdomen 

 rufous — it is either yellow or black. 



OdyiieriiN pulclirinerTis sp. nov. 

 Black, a broad curved line, narrowed below, dilated irregularly in the middle, 

 on the sides of clypeus. on the upper two-thirds, a small spot, wider than long, 

 transverse above, roundly narrowed below, over the antennje, a broad, irregular 

 line on the lower half of the eye incision, a line, about five times longer than 

 wide, on the upper outer orbits, a line, narrowed in the middle, on the base of 

 the thorax, a triangular mark on the sides of the metanotum above, tegulse, 

 except for a fuscous spot, a lougish conical mark below them ; broad fcands on 

 the basal four abdominal segments, that on the 1st broadly dilated backwards ou 



