PSOEOPHORA TEXANUM 585 



October 18, 1901 (J. Carroll) ; Baracoa, Cuba, August (A. Busck) ; Pinar del 

 Eio, Cuba, 1900; Havana, Cuba, May 14, 1908 (J. K. Taylor) ; San Antonio de 

 los Bafios, Cuba (J. H. Pazos) ; Andros Island, Bahamas, June 36, 1903 (T. H. 

 CoflBn) ; Green Cay, Bahamas, June 39, 1903 (T. H. Coflfin) ; Nassau, New- 

 Providence, Bahamas, June 33, 1903 (T. H. Coffin). 



Psorophora jamcdcensis is confined to the Greater Antilles and the Bahamas. 

 It is closely allied to species upon the mainland, but we think specifically 

 distinct. 



PSOROPHORA TEXANUM (Dyar & Knab). 



Janthinosoma texanum Dyar & Knab, Proc. Biol. Soc. Wasb., xlx, 135, 1906. 

 Janthinosoma texanum Theobald, Mon. Culic, v, 605, 1910. 



Origin Ai. Desceiption op Janthinosoma texanum: 



Hind legs without raised scales; tarsal joints with pale 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 J. jamaicensis 

 Theobald. 



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



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



Desceiption of Female of Psoeophoba texanum (Male and Laeva Unknown) : 



Female. — Proboscis moderate, cylindrical, slender, uniform, rather short; 

 vestiture of small appressed scales, black at apical and basal fourths, the median 

 half white ; setae short, curved, black, those on the moderate conical labellae 

 more prominently outstanding. Palpi rather more than one-fourth the length 

 of proboscis, stout, clothed with brownish scales, except at tip, where they are 

 white ; setae moderate, black. Antennae moderate, second joint over three times 

 as long as wide, the third, fourth and fifth joints shorter, pale brown and densely 

 pale pilose, the succeeding joints more slender, black, pilose ; tori subspherical, 

 with an excavated tip, luteous brown, with a small patch of white scales within. 

 Clypeus rather short, prominent, dark brown, nude. Byes black. Occiput mod- 

 erate, convex, black, clothed with narrow, curved soiled whitish scales which do 

 not conceal the black ground and are intermixed with many narrow, forked, 

 brown upright ones ; scales on sides broader, white, contiguous ; setae bordering 

 eyes rather short, curved, pale. 



Prothoracic lobes remote dorsally, moderate, blackish, clothed with a few 

 narrow, curved whitish scales an d_ short black bristles. Mesonotum deep brown, 

 clothed with narrow, curved scales about half covering the surface, the scales 

 reddish brown and brassy, the brown ones predominating dorsally, the brassy 

 ones at sides of disk and surrounding ante-scutellar bare space ; there is a small 

 bare spot on each side of middle on anterior third of mesonotum^ before and 

 behind which the brassy scales are segregated into patches; scales without 

 any blue tinge. Scutellum trilobate, black, rather densely clothed with narrow, 

 curved silvery scales, each lobe with about ten moderate black bristles. Post- 

 notum elliptical, prominent, blackish, nude. Pleurae and coxae brown, clothed 

 with narrow, elliptical white scales and blackish setae. 



Abdomen subcylindrical, flattened, tapering posteriorly, the slender blade- 

 like cerci prominently exserted ; dorsal vestiture of dull black scales, apices of 

 second and third segments with a diffused band of soiled yellowish-white scales, 

 the two following segments with large, irregular, medianly divided apical bands 

 of white scales, the following with large sublateral patches extending nearly the 

 whole length of the segment, the seventh segment with lateral whitish scales; 

 first segment with a patch of white scales in the middle and with many long 

 brown setae; venter with black and white scales intermixed about equally, except 

 on the seventh segment, where the black scales predominate. 

 38 



