84 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. xxv. 



toward the base whitish, the extreme base dark yellow, venation ag in 

 Osten-Sacken's figure of <dptna^ with these exceptions: Apex of aux- 

 iliary vein at one-fourth of distance from base of second vein to mar- 

 ginal crossvein, small crossvein opposite or beyond the marginal cross- 

 vein; length J) to 10 mm. A specimen of each sex collected June 25 

 and 26, 1901, by Mr. H. S. Barber. 



Ilahitat. — Hot Springs, Yavapai County, Arizona. 



Ty2)e.—C2it. No. 6154, U.S.N.M. 



This European genus has not heretofore lieen reported from this 

 countr3\ The present form agrees well with the original description 

 of this genus, except in the venation and the form of the claspers of 

 the male. 



Family CULICID.E. 



CULEX BIMACULATUS, new species. 



Bright yellow, the apices of the palpi and of the proboscis, also thg 

 antenna} except the bases, dark brown, a large black spot above inser- 

 tion of each wing, apices of femora black, tarsi ctianging into brown 

 toward the apices; bristl}" hairs and scales of head and body l)right 

 yellow, mesonotum highl}' polished; tarsal claws large, the front and 

 middle ones toothed, the hind ones simple; wings hyaline, strongly 

 tinged with yellow along the costa, lateral scales of the veins very 

 small, interspersed with very elongate, narrow ones, petiole of first 

 submarginal cell nearl}' as long as that cell, crossvein at apex of second 

 basal cell nearly its own length from the one at apex of first basal cell; 

 length, 6 mm. A female specimen collected June 16 by Mr. C. H T. 

 Townsend. 



Ilahitat. — Brownsville, Texas. 



Tiji^e.—C&t. No. 6251), U.S.N.M. 



CULEX FLETCHERI, new species. 



Head black, scales of occiput narrow, golden brown, on each side a 

 patch of broad, appressed yellow ones, antennae brown, the first joint 

 and bases of the second and third yellow, palpi yellowish brown, 

 proboscis black, the median portion brown; body black, metanotum 

 brownish yellow, scales of thorax golden brown, the bristly hairs and 

 those on the scutellum golden 3'ellow, abdomen wholly covered with 

 pale yellow^ scales; femora yellow, the apices and tihiie blackish, the 

 scales mixed white, .yellow and black, not forming distinct bands; tarsi 

 black, the bases 3'ellowish ])ro\vn, a l)and of white scales at bases of 

 the three median joints on the front and middle tarsi, of the last four 

 joints of the hind ones, claws ver}^ large, toothed; wings hyaline, veins 

 yellow, scales sparse, small, those near base of wings chiefly yellowish, 



^Monographs Diptera N. Am., IV, pi. i, fig. 9. 



