150 MOSQUITOES OF NORTH AMERICA 



Wings moderate, hyaline; petiole of second marginal cell one-fourth as long 

 as its cell, that of second posterior cell shorter than its cell; basal cross-vein 

 distant less than its own length from anterior cross-vein ; scales of veins broad, 

 subovate, tips weakly subtruncate, broader and denser on forks of second to 

 fourth veins, brown, with a slight bronzy reflection. Halteres whitish with dark 

 knobs. 



Legs moderately slender, black with a bronzy reflection, femora brassy nar- 

 rowly beneath; tarsi vrith slight bronzy luster below; mid tarsi with apex of 

 second, all of third and all but base of fourth joints sHveiy white on outer side, 

 the white continuous beneath from second to fourth joints ; hind tarsi with last 

 two joints white beneath. Claw formula, 0.0-0.0-0.0. 



Length : Body 4 mm. ; wing 3.5 mm. 



Type : No. 12704, TJ. S. Nat. Mus. 



Life history and habits unknown. 



Panama. 



Gatun, Canal Zone (A. H. Jennings). 



Mr. Jennings captured a single specimen of this species. 



WYEOMYIA CIRCUMCINCTA Dyar & Knab. 



Wyeomyia circumcincta Dyar & Knab, Journ. N. Y. Ent. Soc, xv, 210, 1907. 

 Wyeomyia macrotus Dyar & Knab, Journ. N. Y. Ent. Soc, xv, 212, 1907. 

 Wyeomyia macrotus Busck, Smiths. Misc. Colls., quart, iss., lii, 73, 1908. 

 Wyeomyia circumcincta Busck, Smiths. Misc. Colls., quart, iss.. Hi, 74, 1908. 

 Wyeomyia andropus Dyar & Knab, Proc. U. S. Nat. Mus., xxxv, 68, 1908. 

 Wyeomyia circumcincta Theobald, Men. Culic, v, 581, 1910. 

 Wyeomyia macrotus Theobald, Men. Culic, v, 581, 1910. 

 Wyeomyia andropus Theobald, Mon. Culic, v, 626, 1910. 



pBioiNAi, Descbiption OF Wteomyia cibcumcincta: 



tJ. — Proboscis moderate, much dilated at the tip, black; palpi very short, dark 

 scaled; occiput dark scaled with bluish iridescence, eyes narrowly margined with 

 white; prothoracic lobes prominent, well separated, clothed with dark scales which 

 have at the tip a violaceous coppery metallic sheen; mesonotum dark scaled, with 

 bronzy and obscure bluish reflections, the front margin distinctly whitish scaled; 

 scutellum clothed like the mesothorax; metanotum pitchy black, with a group of 

 setae near the apex; abdomen black above with blue and bronzy luster, creamy 

 white beneath, the colors separated in a straight line on the sides; legs dark above 

 with bronzy luster, beneath mostly with a light brassy whitish sheen, on the middle 

 legs and apical half of the second and all of the succeeding joints completely 

 encircled with silvery white; brassy color of the under surface is interrupted beneath 

 by a dark shade on the first and second tarsal joints, the tore femora are mostly 

 bronzy beneath on the apical half. Length, 3 mm. 



Two specimens, Tabemilla, Canal Zone, Panama (August Busck, collector), bred 

 from larvae in the water in leaves of Bromelias. 



Type. — ^No. 10857, U. S. National Museum. 



Obiqinai, Description op Wyeomyia macbotus : 



Proboscis rather long and slender, swollen at the apex, black scaled; palpi short, 

 black scaled; clypeus prominent, black, with fine grayish pubescence; occiput dark 

 scaled with bluish luster, a metallic spot on the vertex, no white margin to the eyes; 

 prothoracic lobes large and prominent, well separated, blackish scaled, the tips and 

 basal part white in certain lights and connected behind by a whitish band; meso- 

 notum brown scaled, with faint bronzy and blue reflections/the hairs of the scutellum 

 dark; metanotum dark brown with a few setae near the apex; abdomen dark scaled 

 above with bronzy and bluish luster, beneath creamy white, the colors separated 

 in a straight line on the sides; legs moderately slender, dark with bronzy luster, 

 brassy beneath; scales of the wing-veins mostly short and broad, a few longer ones 

 in the region of the cross-veins. Length, 3 mm. 



Three specimens, Boqueron River, Panama, and Taberntlla, Canal Zone, Panama 

 (August Busck, collector), bred from larvae in the water in the leaves of Bromelias. 

 The pupa has remarkably long breathing tubes. 



Type.— No. 10862, U. S. National Museum. 



