AMERICAN HYMENOPTERA. 323 



tibiae as usual; claws long, simple; wings unequally blackish, obscure, 

 clearest at 1st discoidal cell, marginal cell appendiculate; 2nd subiuar- 

 ginal cell with two recurrent nervures; lanceolate cell petiolate; under 

 wings with one inner cell. 



Cordova, t. c, Mexico. One % . (H. de Saussure.) 

 The marginal cell is rounded at the end, leaving a Rm;ill apical space, 

 or cell at its tip. 



2. Lophyrus cordoviensis, n. sp. 



Color black, legs partlywhite ,: wings sub-liyaline. Lengtii 0.1!2. Br. wings 

 0.14 inch. 



S . Antennae black, IS-jointed; pectination of 3rd joint single, ser- 

 rate, the joint stout; pectination of remainder very slender, produced, 

 not pilose; head and whole body black; abdomen slender as in jVema- 

 tux ; legs black, the anterior pair obscure reddish white before; hind- 

 er spurs as usual, claws long, simple; wings blackish, semi-obscure; 

 marginal cell appendiculate; first submarginal oval, as long as second ; 

 the second recurrent nervure received at intersection of second and 

 third submarginals; knceolate cell petiolate; under wings with one in- 

 ner cell. 



Cordova, t. c, Mexico. One S . (H. de Saussure). 



.'!. L. Fabricii. 



Lophyrus Fabricii, Leach, Zool. Misc. iii, 1817. 3. 

 Lepel. Men. Tenth., 56, 161. 

 Fitch, Nox. Ins. iv, 60, 276. 

 '' 9 . Antenna; black; head luteous, spotted with fuscous; abdomen 

 and legs luteous; wings sub-fulvous hyaline. 5 Long 3| ex. alar. ~l 

 liu. Antennae of female 16-articulate. 

 '■Georgia." Not seen. 



4. L. compar. 



Lophyrus compar, Leach, Zool. Misc. iii, 1817. 4 9 S • 

 Lepel. Mon. Tenth., 54, 153. 

 Fitch, Nox. Ins. iv, 60, 277. 

 " 9 S . Antennae, head, thorax and abdomen black ; legs pale, fem- 

 ora black; wings hyaline. Antennae of female 16-articulate. 

 "Georgia." Not seen. 



5. L. pinus-rigida. 



Lophyrus pinus-rigida, Norton, Packard's Guide, p. 228, 1868. 

 9. Length 0.30. Br. wings 0.65 inch. %. Length 0.25. Br. wings 0.55 inch. 

 9 . — Color of body luteous-brown ; antennae 17-jointed, brown, a line 

 joining the ocelli, a stripe down each of the side lobes of the mesothorax, 

 and the sutures of metathorax, black; body pale beneath; the tro- 

 chanters and base of the tibiae waxen-white ; claws with an inner tooth 



