370 THE CANADIAN ENTOMOLOGIST 



but may be distinp^uishcd from it by a number of charartcrs as 

 the following description will show. 



Male. — Lcnglli 5 mm. Clypcus very gently, arcuately 

 emarginatc; front granular and with a few scattered distinct punc- 

 tures, and a shallow elongate foxea at about the middle; \ertex 

 and posterior orbits shining almost impunctured; postocellar line 

 distinctly shorter than the ocellocular line; antenna* subcqual 

 to the length of the head and thorax, the third and fourth 

 joints subcqual; thorax shining with a few sparse punctures; the 

 dorsal plate of mesepisternum with larger punctures than the 

 lower; second pleural suture foveolate; propodeum granular with a 

 distinct sulcus, the base of which is foveolate; nervulus slightly 

 antefurcal; first intercubitus strongly curved towards the base; 

 second and third cubital cells subcqual on the radius, but on the 

 cubitus the third is distinctly longer: longer calcarium of hind 

 tibiae three-fourths the length of the hind basitarsus; abdomen 

 shining. Black; chpeus except a basal median spot, inner orbits 

 to near top of eye, spot between antenna?, scape beneath, posterior 

 orbits except medially, lateral anterior dorsal angles and posterior 

 margin of pronotum, spot on metanotum, and lateral, apical 

 spots on first three tergites yellow or yellowish-white; flagellum 

 piceous; legs beyond bases of femora rufo-piceous; wings hyaline, 

 venation yellowish, costa, subcosta and base of stigma brown; 

 posterior face of propodeum and the hind coxa? with dense silvery 

 pile, the rest of the body without dense pile. 



Falls Church, Va. Described from one male collected July 

 22, by S. A. Rohwer and named in honour of W. J. Fox, the reviser 

 of the North American species of this genus. 



Type— Cat. No. 20118, U. S. N. M. 



Ageniella atrata (Provancher). 



Location of type not known. Allotype (d^) has blue label 

 "125" (script) and yellow label "1417" (printing), and is in 

 Derniere Provancher Collection, Public Museum, Quebec. 



The allotype is the same as the species treated by Banks 

 (Jn. N. Y. Ent. Soc, vol. 19, 1912 (1911) p. 234) under this name. 



