202 ASHMEAD 



tibiae and tarsi fuscous, the tibiae having a long whitish stripe pos- 

 teriorly, or on the outer face, the first and second joints of hind tarsi 

 having a vs^hitish annulus at base, while the clypeus and the mandibles 

 are red. 



Male. — Length 6 mm. Differs from female in having the clypeus 

 black, the hind tibiae red, except an annulus toward base and the apices 

 which are black, while their extreme base is w^hitish. 



Type. — Cat. No. 5625, U. S. Nat. Museum. From Popof Island, 

 July 12. Two specimens. 



Tribe XORIDINI. 

 Genus Holcostizus Forster. 

 HOLCOSTIZUS YUKONENSIS (Ashmead). 

 Pijnpla yukonensis Ashmead, Proc. U. S. Nat. Mus., xii, p. 445, $, 1890. 



Type. — Cat. No. 2106, U. S. Nat. Museum. From Fort Yukon 

 (L. M. Turner). 



Genus Odontomerus Gravenhorst. 



ODONTOMERUS MELLIPES (Say). 



Anomalon mellipes Say, Maclurian Lye. Arts & Sci., i, p. 74, $, 1828. — 



Leconte, Ed. Say, 11, p. 378, 1859. 

 Odontomerus mellipes Walsh, Trans. St. Louis Acad. Sci., iii, p. 164, ^^, 



1873. — Provancher, Fn. du Can. Hym., p. 490, 1883. — Cresson, 



Syn. Hym. North America, p. 220, 1887. — Ashmead, in Smith's Ins. 



New Jersey, p. 575. 1900. 



From Sitka, August. 



Widely distributed throughout North America from Florida to 

 Canada, and from the Atlantic to the Pacific. 



Genus Cubocephalus Ratzeburg. 



Three species fall in this genus, as defined by the writer in his Clas- 

 sification of the Ichneumon Flies, although there is some doubt as to 

 its being the Cubocephalus of Ratzeburg, since it was identified from 

 description alone and I have not been able to confirm it by a study of 

 typical European specimens. 



TABLE OF SPECIES. 



Black species. 



All coxae rufous 2. 



All coxae black. 



Legs red, with the hind tibise and all tarsi black or fuscous, sometimes 

 with the extreme apices of the joints of the first and middle tarsi 

 testaceous; mandibles, except teeth, red C. atrocoxalis. 



