NO. 2195. NEW SPECIES OF HYMENOPTERA—ROHWER. 175 



Type-locality. — Beulah, New Mexico. Described from one female 

 collected by T. D. A. Cockerell in August. 

 Type.— Cat. No. 18994, U.S.N.M. 



XYLOCEUA VIRGINIANA, new species. 



In Mickel's kc}'' to the species of Xylocdia ' this species runs to 

 valUcolae salicis (Rohwer) but it is quite different from that species, 

 being much larger and has the mesoscutum shining. It is something 

 like what the male of americana (Packard) would be expected to 

 resemble, but it docs not agree sufficiently well mth that species to 

 be considered as its mole. 



Male. — Length b.o mm. Anterior margin of the clypeus vdXh a 

 median notch; front opaque, closely granular, with confluent punc- 

 tures in addition which at first sight give the impression that it is 

 irregularly striato-punctate; vertex shining, sparsely punctured; pos- 

 terior orbits shining, finely irregularly striato-punctate; ocelli large, 

 in a low triangle; the postocellar line a trifle longer than the ocello- 

 cular hue; third antennal joint slightly longer than the fourth; 

 eleventh and twelfth joints feebly spined beneath; mesoscutum 

 polished, very sparsely punctured posteriorly but anteriorly the 

 punctures become closer, 'A-ith four raised longitudinal lines on the 

 posterior part; scutellum shining with a few setigerous punctures 

 and a faint impressed median line; dorsal aspect of the propodeum 

 reticulate, separated from the posterior aspect by a broad foveolate 

 furrow; the posterior aspect coai'sely reticulate mth a triangular 

 shaped area in the dorsal middle; sides of propodeum coarsely reticu- 

 late, stigmatal groove broad and ^v'ell defined; mesepisternum reticu- 

 late anteriorly with a few irregularly raised Unes posteriorly; abdo- 

 men pohshed. Black; palpi yellowish white; tibiae and tarsi 

 ferruginous, the tibiae with a dusky spot above; \\dngs hyaline, 

 iridescent, venation dark brown, stigma black; clypeus and supra- 

 clypeal area with dense white pubescence; a small 3'^eUow spot on 

 the anterior margin of the tegulae. 



Type-locality. — Falls Church, Virginia. Described from seven 

 males (one type) collected June 7, 1914, by William Middleton. 



Type.—Q2.i. No. 21397, U.S.N.M. 



XYLOCELIA METATHORACICUS MICKEL. 



Xylocelia metathoracicus Mickel, Ann. Ent. Soc. Amer., vol. 9, No. 4, 1916, 

 p. 349. 



A series of males and females from St. Louis, Missouri, collected 

 by Mr. Phil Rau extend the distribution of this species. 



The male runs to crassicorms in Mickel's table and has the antennal 

 joints eight to twelve spinate beneath. 



> Ann. Ent. Soc. Amer., vol. 9, No. 4, 191C, p. 345. 



