Dyar and Knob New Species of Mosquitoes. 135 



Janthinosoma schwarzi sp. nov. 



As in J. cojfini Dyar & Knab, but the tips of the hind femora are pure 

 white. 



One specimen, Cayamas, Cuba, May 7 (E. A. Schwarz). 

 Type Cat. No. 9970, U. S. Nat. Mus. 



Janthinosoma texanum sp. nov. 



Hind legs without raised scales ; tarsal joints with pale basal bands ; first 

 hind tarsal joint with a narrow white ring ; thorax golden brown ; white 

 ring of the first hind tarsal joint one-third or more as broad as the joint. 

 Else as in /. jamaicensis Theobald. 



7 specimens, Brownsville, Texas, May 21, 1904 (H. S. Barber). 



Type. Cat. No. 9971, U. S. Nat. Mus. 



Janthinosoma floridense sp. nov. 



As in /. texanum Dyar & Knab, but the thorax violet blue. The pale 

 abdominal bands are powdery, interrupted dorsally and confused; the 

 general color, including the wings, is dark, and the third vein has scale 

 tufts throughout its length, instead of at base only. 



105 specimens, Tampa, Kissimmee, Sanford, Arcadia, Bartow, Pokatee, 

 Alligator Creek, Florida (Dyar & Caudell). 



Type Cat. No. 9972, U. S. Nat. Mus. 



Janthinosoma toltecum sp. nov. 



As is J. floridense Dyar & Knab, but the pale abdominal bands are ex 

 tensive, broken only on the last segments ; the scales on the scutellum have 

 a silvery luster. 



89 specimens, Tehuantepec, Salina Cruz, Rincon Antonio, Santa Lucrecia, 

 Almoloya, Mexico (F. Knab) ; Vera Cruz, Mexico (G. E. Beyer) ; Dallas, 

 Texas, September 14 (W. E. Hinds). 



Type . Cat. No. 9973, U. S. Nat. Mus. 



Janthinosoma columbiae sp. nov. 



As in J. toltecum Dyar & Knab, but the abdomen more strongly pale 

 scaled, the third vein with the broad scales in a basal dot only, the scu 

 tellum without silvery luster. 



59 specimens, Grassy mead, Va. (H. G. Dyar) ; Del Ray and St. Elmo, 

 Va. (F. C. Pratt) ; Woodstock, Va. (J. Kotinsky) ; Delair, N. J. (W. P. 

 Seal) ; Cold Spring Harbor, N. Y. (F. E. Lutz) ; Greensboro, N. C. (F. C. 

 Pratt); Tutuila, Jackson, Belzoni, Clarksdale, Corbin, Yazoo City, Miss. 

 (H. S. Barber) ; Agricultural College, Miss. (G. W. Herrick) ; Baton Rouge, 

 La. (J. A. Morgan). 



Type.C&t. No. 9974, U. S. Nat. Mus. 



Janthinosoma insularius sp. nov. 



Hind legs without raised scales ; tarsi with pale bands ; first hind tarsal 

 joint without a white ring ; wings with whitish and dark scales intermixed ; 



