100 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. xxv. 



EUPARYPHUS ATRIVENTRIS, new species. 



Differs from 7i'. c/'ucigcj-us a.s follows: Aiiteiiiue not inserted on a 

 yellow spot, no 3^ellow spots at lower corners of face, hut the rather 

 broad orbital maroins yellow and covered with a whitish pruinosity, 

 a yellow fascia on lower edge of front connected with the yellow 

 vitta? on sides of front, no j^ellow spot in middle of first abdominal 

 segment, the ^^ellow fascia on the third segment three times inter- 

 rupted, venter, except the margin, wholly black; length, 5 mm. A 

 female specimen collected July 17, 1877. 



Habitat. — Greeley, Colorado. 



Type.— C?it. No. (3189. U.S.N.M. 



EUPARYPHUS AMPLUS, new species. 



Head black, the frontal triangle. l)road sides of face and three 

 vitt{\? near its middle, also the lower portion of occipital orbits, 

 3'ellow; antennae brown, toward the base ^^ellowish. mouth parts 

 yellow; thorax black, a widely separated pair of dorsal vitta\ a vitta 

 extending from each humerus to slightly be^^ond the tran verse suture, 

 a large subtriangular spot on each posterior corner, a narrow vitta 

 on upper edge of pleura, expanding in a large spot in front of wing, a 

 sj^ot above front coxa, a vitta on upper part of sternopleura and one 

 or two small spots beyond its posterior end, yellow; scutellum yellow, 

 the basal third black; abdomen black, a fascia on first segment, small, 

 rounded spot in outer hind angles of the second, outer margin of 

 remainder of abdomen and an oblique spot in each outer hind angle 

 of the third and fourth segments extending at least one-third of the 

 Avidth of the abdomen, yellow; venter yellow, the first segment, 

 lateral portions of the second and an interrupted fascia at bases of 

 the third and fourth, black; cox^b black, their apices yellow, femora 

 yellowish brown, their ends, the tibiiv and tarsi wholh' yellow; wings' 

 hyaline, the costa and veins on costal half yellow, the others nearly 

 h3'aline, third vein forked; halteres yellow: length. S.T) mm, A male 

 specimen collected June 17, 1898, by ]\Ir. E. J. Oslar. 



IFahlfdt. — Chimney Gulch, Colorado. 



T>j2X'.—Cixi. No. 0190, U.S.N.M. 



Family BOMBYLID.E. 



BOMBYLIUS RECURVUS, new species. 



Male. — Head and l)ody black, front and face opaque, gray pruinose; 

 face along the oral margin rather densely covered with pale yellow 

 hairs mixed above with many brown ones, those on remainder of face 

 sparse, brown, hairs of first two joints of antenna^ and on the front 

 also brown: third joint of antenii;v o'.ily slightly dilated near the base; 



