HENRY L. VIERECK. 



387 



Abdomen. — Apical margin of first aud second dorsal segments distinctly swol- 

 len, that of the second, the anterior aspect of the swollen portion of the second 

 segment, in the middle, when viewed from the side forming an obtuse angle 

 with the remainder of the segment; punctuation of the first dorsal segment 

 sparse, excepting medially and along the margins; the second dorsal segment 

 conspicuously dullish ; apical segment immaculate ; venter dullish. 



Remarks. — The pubescence is superficially inconspicuous, but on close inspec- 

 tion seen to be fine, abundant, tinted with ochreous and mostly less than 1 mm. 

 in length. 



% . — Excepting the sexual peculiarities essentially like the 9> clypeus yellow, 

 excepting laterally, and a transverse testaceous mark close to the apex of the 

 emargination ; hook of anteniiiE brown ; tibiae and tarsi entirely dull ferruginous 

 and brown. 



Types. — University of Kansas. 



Type locality.— Tliomas' Ranch, Oak Creek Canon, 6000 ft., 20 

 miles southwest of Flagstaff, in Coconino Co., Arizona. 

 Two specimens taken in August by F. H. Snow. 



Eunieiies (Pachyinenes) bollifoi-niis n. sp. 



Related to holll, from which it differs as follows : 



9 . — Head. — With the following exceptions almost exclusively black : clypeus, 

 excepting an almost central blackish dot and a subapical testaceous mark yellow, 

 an hourglass-shaped supraclypeal mark, scape in front, labrum, and a shoit post- 

 ocular line more or less yellowish ; clypeus distinctly but not much longer than 

 wide, its anterior margin forming a segment of a circle; greater part of apical 

 third and outer margin of mandibles brown, the teeth about as in glohulosiformi.^. 

 Thorax. — Black, with the exception of the following parts, which are more or 

 less yellow to yellowish-ferruginous: pronotum in the middle and its anterior 

 and posterior margins, tegulre, a spot on pleura beneath tegulje, a spot on each 

 side of scutel, poStscutel, the greater portion of the superior aspect of the meta- 

 thorax aud all of the legs excepting the coxae and trochanters; wings nearly as 

 in glohnlosm. 



Abdomen. — Dullish ; first segment bla<!k, except for an apical yellow margin 

 and a yellowish ferruginous spot on each side; the second segment with the 

 basal half mostly black, the apical half mostl.v yellow, the black portion on the 

 second dorsal segment somewhat hourglass shaped ; the nor- 

 mally exposed portion of each of the succeeding segments 

 practicall.y entirely yellow. 



%. — Smaller; clypeus rather indistinctly punctured with 

 punctures of two sizes, the large ones rather sparse, no central 

 blackish spot, otherwise nearly as in the f; hook of antennse 

 brown ; apical ventral abdominal segment immaculate, apical 

 Natiirarsi'z" third of second abdominal segment mostly yellow; a free, 

 nearl.v oblong yellow mark on each side of the middle third 

 of the second dorsal abdominal segment, the apical yellow band of this last seg- 

 ment triangularly emarginate on its anterior margin. 



TRANS. AM. ENT. SOC. XXXIII. JANUARY, 1908. 



