98 PRO('J'JKDIX(;S OF THE NATIONAL MVSF.UM. voi.. xxv. 



Family STRATIOMYID.E. 



AOCHLETUS OBSCURUS, new species. 



Black, a yellow interrupted fascia on upper part of face, first two 

 joints of antenna^ and a short vitta above insertion of antennw reddish 

 brown, halteres yellow, base of first joint of each tarsus yellowish: 

 upper three-fourths of front somewhat opaque, densel}' punctured and 

 sparsel}' covered with short appressed whitish hairs, the lowest fourth 

 nearly wholly occupied b}- a transverse pair of highly polished g-ib- 

 bous spots; face and cheeks, except the narrow gray pruinose orbits, 

 somewhat polished and covered with appressed whitish hairs; antenna? 

 much shorter than the head, very robust, the complex third joint larger 

 than the remainder of the antenna?, composed of three annuli of which 

 the first two are broader than long, the third about one-third longer 

 than broad, tapering on its apical half, slightly longer than the apical 

 style which is composed of three joints of nearly an equal length; 

 thorax and scutellum nearly opaque, scabrous and sparsely covered 

 with short appressed yellowish hairs; abdomen somewhat opaque, its 

 hairs very short, black, those on sides of first segment and on hind 

 angles of the second, third, and fourth rather long and yellowish; 

 wings grayish hyaline, su})costal cell and apex of costal brown, stigma 

 and veins brown; length, 9 to 10 mm. Two female specimens. 



Uah'dat. — Los Angeles County, California (D. W. Coquillett); and 

 Sulphur Spring Valley, Arizona (June 6, H. (t. Hu])bard). 



7}//>..— Cat. No. 0185. U.S.N.M. 



EUPARYPHUS TAHOENSIS, new species. 



Head black, lateral margins of occiput, a pair of oblique spots on 

 middle of front near the eyes and a pair of smaller ones on lower part 

 of face, vellow; very narrow orl)its of face and cheeks, and 1)road 

 sides of occiput on the lower half, white pruinose; antennie l)rown, the 

 second joint largely, ^^ellowish brown; thorax black, a yellow vitta on 

 either side of middle of mesonotum, a second near the lateral margin 

 liroadly interrupted behind the suture and greatly expanded at its 

 po.sterior end, also a j^ellow vitta extends from humerus to base of 

 wing, and one on upper part of the sternopleura; scutellum yellow, 

 the ba.sal two-fifths black, spines yellow, their apices brown; abdomen 

 black, the margin and an interrupted fascia on the posterior part of 

 the fourth segment, yellow; venter black, a large median yellowish 

 spot on the second and third segments; femora black, the apices, tibia^ 

 and tarsi yellow, a brownish ring near middle of each hind tibia; 

 wings hyaline, . veins yellowish, those i.ssuing from the di.scal cell 

 nearh^ colorless, third vein simple; halteres yellow; length, mm. 

 A female specimen collected by Mr. H. G. Hubbard. 



Uahitaf. — Lake Tahoe, California. 



ry^6^— Cat. No. 6186, U.S.N.M. 



