QQ PROCEEDINGS OF THE NATIONAL MUSEUM. vol. xxxv. 



and part of the fifth silvery white-scaled on the under side. Length, 

 3.5 mm. 



Male. — The markings are as in the female. 



Two specimens, Trinidad, British West Indies, June. (A. Busck.) 



Type.— Cat. No. 11983, U.S.N.M. 



WYEOMYIA GYN-ffiCOPUS, new species. 



Female. — Proboscis moderately long, slender, much dilated toward 

 the apex, black-scaled; palpi black-scaled, with bronzy luster, the 

 tips silvery white; occiput dark-scaled, with green and blue irides- 

 cence, the margin of the eyes narrowly silvery white scaled; pro- 

 thoracic lobes dark-scaled, with bluish iridescence, the apices nar- 

 rowly silvery tipped, the basal portion mostly white-scaled; meso- 

 notum bronzy brown-scaled, with obscure bluish reflection; abdomen 

 deep bronzy brown above, with blue reflection, beneath coarsely white- 

 scaled, the colors sepa rated on the sides in a straight line; legs dark, 

 with bronzy and bluish reflections, the hind legs with the under side 

 of the fourth and fifth tarsal joints white-marked ; on the fourth joint 

 the white extends from the base nearly to the apex, the fifth white 

 at the base. Length, 3.5 mm. 



One specimen, Esparta, Costa Rica, September 18, 1905. (F. Knab.) 



Type.— Cat, No. 11984, U.S.N.M. 



WYEOMYIA ABLECHRA, new species. 



Female. — Proboscis long and slender, dilated at the apex, black- 

 scaled; palpi slender, black-scaled; occiput dark-scaled, with blue and 

 green reflections, the margin of the eyes dull whitish scaled, inter- 

 rupted on each side below the vertex; prothoracic lobes metallic 

 violaceous, a large patch of silvery scales at the apex, basal portion 

 silvery-scaled; mesonotum dark-scaled, with faint bronzy and blue 

 reflections; abdomen dark-scaled above, with slight blue reflection, 

 beneath white-scaled, the colors separated on the sides in a straight 

 line; legs dark-scaled, with bronzy reflection; on the mid-legs the 

 apical portion of the second tarsal joint and all of the third, fourth, 

 and fifth silvery white beneath ; hind legs with a dash of silvery 

 white at the bases of all the tarsal joints beneath. Length, 3.5 mm. 



Eighteen specimens, Sonsonate, Salvador, August 16, 1905. (F. 

 Knab.) 



Type.— Cat. No. 11985, U.S.N.M. 



WYEOMYIA ABLABES, new species. 



Female. — Proboscis long and slender, somewhat enlarged towards 

 the apex, black-scaled; palpi black-scaled; occiput dark-scaled, with 

 blue and green reflections, the margin of the eyes narrowly whitish 

 scaled and forming a distinct silver spot on the vertex; prothoracic 

 lobes dark-scaled, with violaceous luster, the tips silvery-scaled ; 



