466 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.54. 



25. Genus SCELIPHRONECHTHRUS Pierce. 



1. S. fasciati Pierce; parasite of Sceliphron fasciatus Lepeletier; 



Santo Domingo. 



5. Tribe PARAXENINI Pierce. 



26. Genus PARAXENOS Saunders. 



1. P. erberi Saunders; parasite of Bemhecinus peregrinus Smith, 

 Corcyra. 



IV. Superfamily HALICTOPHAGOIDEA Pierce. 



Table of families. 



Male autennae four-jointed, with tlie flagellum of the third and the fourth 

 joint elongate, subequal IX. DIOZOCERIDAE Pierce. 



Male autennae seven-jointed, with the third, fourth, fifth, and sixth joints lat- 

 erally produced, and the seventh elongate— X. HALICTOPHAGIDAE Pierce. 



IX. Family DIOZOCERIDAE Pierce. 



Errata : Bull. 66, pi. 14. Read " Males " for " Females." 



27. Genus DIOZOCERA Pierce. 



1. D. insularum Pierce; parasite of Xerophloea viridis Fabricus, 

 Grenada, St. Vincent. 



1. DIOZOCERA INSULARUM Pierce. 



Plate 78, fig. 7. 



An illustration of the side view of the male is presented. This 

 shows the line separating scutum from parascutellum reaching the 

 apex of scutellum rather than behind the middle, as usual in the 

 other families. The pleural suture is very strongly bent at the apex 

 of episternum and reaches the coxa. 



X. Family HALICTOPHAGIDAE Pierce. 



This family is probably one of the largest in the order. It now 

 comprises 16 genera. Many more species are in the author's collec- 

 tion from various parts of the world and will be described in sub- 

 sequent papers. The distribution of the genera is as follows: 



Halictophagus Dale, 1 species; England. 



Tettigoxenos Jeannel, 1 species; British East Africa. 



Pynlloxenos Pierce, 1 species; India. 



Pentacladocera Pierce, 1 species; Australia. 



NeocKolax Pierce, 1 species; Java. 



Muirixenos Pierce, 2 species; Java. 



Anthericomma Pierce, 1 species ; New Mexico. 



Pentozoe Pierce, 1 species; Ceylon. 



