14 PROCEEDINGS OF THE NATIONAL, MUSEUM. vol.64. 



area; humeri rounded; a carina present on the cephalic margin of 

 the propleura reaching from its ventral edge to the humeral tubercle ; 

 propleura punctate; remainder of sides of thorax smooth and 

 shining. 



Abdomen ferruginous; first segment entirely sessile with the sec- 

 ond; first tergite with well-separated punctures, and silvery pubes- 

 cence which is especially apparent at the apex; second tergite with 

 a round spot of silvery pubescence on each side midway between 

 base and apex; sides of second tergite with sparse, silvery pubes- 

 cence; remainder of second tergite with sparse, black pubescence; 

 confluently punctate on the basal third, and with punctures separated 

 by about their own width on the apical two-thirds ; tergites 3-5 with 

 sparse, silvery pubescence and fine, sparse punctures; tergite 6 with 

 black pubescence; pygidial area well defined, shining, not sculptured; 

 second sternite sparsely punctate; all the sternites with sparse, sil- 

 very pubescence at the apex. 



Legs ferruginous, clothed with sparse, silvery pubescence. 



Holotype. — Female. July 15-18, 1917, Post Creek Canyon, Pipalene 

 Mountains, Fort Grant, Arizona (J. Bequaert), author's collection. 



Paratypes. — Female, August 20, Pecos, New Mexico (Cockerell), 

 collection American Entomological Society of Philadelphia : female. 

 July 3-6, Marfa, Texas (Wickham), collection American Museum 

 Natural History; female, June 1, 1912, Florence, Montana, collec- 

 tion Montana Agricultural College. 



I have named this species in honor of Dr. J. Bequaert, who col- 

 lected the type specimen. 



Superficially this species resembles ocidissiiiui Mickel and scaevo- 

 leJla Cockerell and Casad, all havijig essentially the same color 

 pattern. They are very distinct in structure, however, and may be 

 distinguished by the characters used in the key. 



8. PSEUDOMETHOCA OCULISSIMA, new species. 



Female. — Ferruginous; size 6 mm. Head ferruginous, densely 

 clothed with appressed, silvery pubescence and long, sparse, erect 

 hairs; mandibles tridentate; antennae separated at the base by a 

 distance equal to half the length of the scape; eyes slightly ovate; 

 front, vertex, and genae with coarse, confluent punctures, except on 

 the cephalic portion of the genae the punctures coarse and sparse; 

 genae with a longitudinal carina which originates at the postero- 

 lateral angles; genae not dentate; relative widths of head and thorax 

 9-8. 



Thorax ferruginous; its dorsum clothed with sparse, long, ap- 

 pressed, black pubescence, and sparse, erect hairs; sides of dorsum 

 of propodeum with sparse, appressed, silvery pubescence; thorax 

 short, a very little longer than wide; dorsum of thorax coarsely 



