NO. 2105. NEW SPECIES OF HYMENOPTERA—ROHWER. 241 



ODYNERUS (STENODYNERUS) ODONTOSCHIUS, new species. 



Female. — Length to apex of second dorsal segment 7 mm. Clypeus 

 striato-punctate; head with small, well scattered punctm-es, which 

 are separated from each other by three to five times the width of the 

 punctures (below the emargination of the eye the punctures are 

 larger and better defined); first joint of the flagellum about one- 

 third longer than the second; mesothorax with large, close punctures, 

 more widely separated on the posterior part of scutum; metapleurae 

 and anterior part of latro-propodeum finely striate; posterior part of 

 the sides of the propodeum with nearly confluent punctures; abdomen 

 closely punctured. Ruf o-f erruginous ; flagellum above, a spot (nar- 

 rowed posteriorly and emarginate medially anteriorly) enclosing 

 ocelli, spot on anterior mesoscutum, prepectus, sutures of metathorax 

 and a spot at base of second dorsal segment black; apical margins of 

 the first and second dorsal segments broadly yellow; costa and stigma 

 testaceous, venation pale brown. 



Paratype differs in having small yellow spots at the emargination 

 of eye and two spots on middle of pronotum. 



Las Cruces, New Mexico. Two females, the type, 'Tkll. 5091." 



Type.— Cat. No. 14307, U.S.N.M. 



ODYNERUS (STENODYNERUS) ODONTOSCHIUS, var. DICHROUS, new variety. 



Female. — Length of apex of second dorsal segment 7 mm. Differs 

 from the typical form in the absence of black markings and in the 

 presence of a yellow spot below the tegulae, four yellow spots on sec- 

 ond dorsal and a yellow band on the third dorsal segment. 



Las Cruces, New Mexico. One female collected October 5, 1895, 

 by Prof. T. D. A. CockereU. 



Type.—Csit. No. 14308, U.S.N.M. 



ODYNERUS (STENODYNERUS) ANACARDIVORA, new species. 



Related to Odynerus (Stenodijnerus) australis Robertson but may 

 be separated from that species by having the anterior face of the&st 

 tergite sculptured, by the more sharply dentate clypeus and in being 

 general more coarsely punctured. 



Female. — Length 11 mm. Clypeus slightly longer than wide, the 

 anterior margin dentate, the teeth broad and obtusely truncate, the 

 surface coarsely striato-punctate with a carina running down each 

 tooth; frontal carina flattened and with a median fovea; head 

 coarsely, distinctly punctured, no tubercule behind the lateral ocelli; 

 postocellar line distinctly longer than the ocellocular line; antennae 

 thickened apically, the third joint about one-half longer than the 

 81022°— Proc.N.M.vol.49— 15 16 



