AMERICAN HYMENOPTERA. 87 



Odoiitopliotopsis sercus n. sp. 



Length, %, 12 mm. — Head. — PuDctures distinct, sparse, closer on front than 

 bey(»nd, the median furrow represented by a pit. Distance between posterior 

 ocelli a little less than twice that between them and anterior ocellus, equal to or 

 a little less than that between the lateral ocellus and nearest eye margin. No 

 malar space. Mandibles heavy, emarjiination a sharp incision, tooth strong and 

 distinct. 



Thorax. — Prothorax closely, rather coarsely rugose. Dorsnlum with very 

 coarse contiguous and almost contiguous (junctures, furrows starting on anterior 

 third. Scutellum and postscutellum very coarsely punctured. Propleura closely 

 rugose, almost punctate, hardly any smooth area. Mesopleura with bulged por- 

 tion prominent, punctured, the punctures not sharply defined, but rather large 

 and close together, all of the depressed portion punctured. Area sharply defined, 

 elliptical. Meshes of reticulation on metathorax very sharply defined. 



Wings. — Third transverse cubitus and second recurrent nervure absent, sub- 

 discoidal nervure faint, first submarginal cell nearly four times as long as high. 

 Transverse median nervure interstitial with basal nervure. 



.■16(Zomert. ^Petiole highly polished, punctures sparse and very minute. Second 

 segment highly polished, punctures sparse and minute, felt line on dorsal seg- 

 ment as usual, not a trace on ventral segment. 



Color. — Pubescence yellowish, except on metathorax and petiole where it is 

 white. Bright castaneous; antennfe and legs pale testaceous. Stigma testaceous, 

 nervures pale. Black between ocelli. 



Tijpe, Coll. Am. Ent. Soc. Phila. Type locality, Lower Califor- 

 nia. Lower California, one specimen. 



Oduiitophotopsis exogyrus Vier., Proc. Acad. Nat. Sci. Phila., 1902, p. 



738, % . 



Type, Coll. Acad, Nat. Sci. Phila Type locality, La JoUa, Cali- 

 fornia. Two males, August, lUOl (T. D. A. Cockerell). 



Odontophotopsis clandestiims Vier. — Proc. Acjtd. Nat. Sci., Phila., 

 p. 740, % , 1902. 



Ti/pe, Coll. Acad. Nat. Sci. Phila. Type locality, Mesilla, New 

 Mexico. One male at light, July 31st (T. D. A. Cockerell), 



OdontopliotopKis alainoniiii n. sp. 



Length, % , 12 mm. — Head. — Punctures sparse and shallow, no distinct median 

 line. Distance between posterior ocelli equal to twice the distance between an- 

 terior and posterior ocellus. Distance between posterior ocelli greater than that 

 between them and nearest eye margin. Malar si)ace less than one-half mm. high. 

 Mandibles like in exogyrus — the terminal portion broader. 



Thorax. — Prothorax with rugosities, almost reticulate. Punctures of dorsulum 

 strong, irregularly separated grooves starting on anterior third or nearly. Scu- 

 tellum and postscutellum dull, rugose. Propleura rugose, a long narrow smooth 

 area near posterior border. Mesopleura with the bulged portion rather promi- 

 nent and coarsely reticulated. Depressed part smooth and polished, punctured 



TKANS. AM. ENT. SOC, XXX. MAKCH, 1904. 



