no. 1632. SOME NEW MOSQUITOES— DYAR AND AVI/;. gg 



long along the dorsal margin of the tibia and first tarsal joint; sec- 

 ond tarsal joint, including its ciliation, silvery white; third tarsal 

 joint and most of the fourth silver-white, the apex of the fourth 

 above and all of the fifth black-scaled; there is an elongate white 

 spot on the ventral surface of the tibia just above the ciliation ; hind 

 legs without ciliation and with the fourth and fifth tarsal joints 

 silver white on the inner side. Length, 4.5 mm. 



Three specimens, Bocas del Toro, Panama, September 28, 1903 (P. 

 Osterhout) ; Paraiso, Canal Zone. Panama, November 1, 1907 (A. H. 

 Jennings) ; Cordoba, Mexico, March 10, 1908 ( F. Knab). 



Type.— Cat No. 11972, U.S.N.M. 



This and the following species are close to the one identified as 

 Sahethes lone/ipex Fabricius by Theobald, but wrongly, as Fabricius's 

 description obviously implies another insect. 



SABETHES SCHAUSI, new species. 



Female. — Proboscis very slender, swollen at the tip, rather short, 

 dark-scaled, with blue luster; palpi dark-scaled; occiput clothed 

 with light metallic blue scales; prothoracic lobes clothed with pale 

 iridescent scales; mesonotum with bright greenish and iridescent 

 scales, becoming blue upon the scutellum ; pleura and coxa3 silver- 

 white-scaled ; metanotum covered with silver scales, a group of bris- 

 tles near the apex ; abdomen above and at the sides dark-scaled, with 

 deep blue and purple iridescence; venter silvery white scaled; tip 

 of the abdomen with coarse black bristles; sixth segment black- 

 scaled beneath along median line ; legs mostly dark metallic blue- 

 scaled with purple reflection, all three pairs ciliate, the cilia form- 

 ing broad paddles on the middle pair; front legs ciliate along nearly 

 the entire upper surface of the tibiae and two-thirds of the lower sur- 

 face; first tarsal joint ciliate along upper surface; second tarsal 

 joint white-marked on the apical half of the inner surface; mid-legs 

 with the apical half of the tibia 1 , all of the first tarsal joint broadly 

 ciliate along front and hind margin; second tarsal joint ciliate along 

 hind margin ; the tibia 1 have a long white dash on the inner side above 

 the paddle; the second joint with its ciliation and the third joint are 

 snow white, fourth and fifth black-scaled; hind legs with the apical 

 third of the tibia^ ciliate, the ciliation rather short; fourth and fifth 

 joints white-scaled on the inner side; some dark scales at their apices. 

 Length, 7 mm. 



One specimen, Omai, British Guiana. (W. Schaus.) 



Type.— Cat. No. 11973, U.S.N.M. 

 . It gives us pleasure to dedicate to our good friend, Mr. William 

 Schaus, the only specimen of mosquito that he has sent us from 

 tropical America. 



