WYEOMTIA VANDUZEEI 65 



have silvery white basal marks beneath, which extend well towards the apex; mid 

 tarsi with the apex of the second, and all of the succeeding joints silver white-scaled 

 above and beneath. Length, 2.5 mm. 



One specimen, San Antonio de los Banos, Cuba (J. H. Fazos). 



Type.— Cat. No. 12009, U. S. N. M. 



Nearest to W. sororcula Dyar and Knab, but distinguished by the silvery tip of 

 the abdomen. 



Descbiftion of Female or Wyeomyia aeotbura (Male and Laeva Unknown) : 



Female. — Proboscis moderate, tip somewhat expanded, labellae small, rounded, 

 with fine outstanding setae ; vestiture black, with bronzy reflection. Palpi short, 

 flattened, one-sixth as long as proboscis, bronzy brown. Antennae moderate, 

 the joints slender, subequal, rugose, pilose, black; tori subspherical, with a 

 cup-shaped apical excavation, yellowish with a slight white pruinosity ; hairs of 

 whorls long, rather sparse, black. Clypeus rounded, blunt, convex, brown, 

 slightly pruinose. Eyes separated at vertex by a rather broad wedge, bluish 

 black. Occiput clothed with flat, brown scales with a submetallic reflection, 

 a silvery spot at vertex and a large, white spot at lower part of sides extending 

 well up along margin of eye ; a row of setae along margin of eyes. 



Prothoraeic lobes elliptical, remote dorsally, clothed with flat silvery-white 

 scales, some coarse setae along anterior margin. Mesonotum clothed with ellip- 

 tical, flat brown scales with a bronzy and blue reflection; scales on anterior 

 lateral angles whitish. Scutellum trilobate, with vestiture similar to and con- 

 tinuous with that of mesonotum, each lobe with a small tuft of black bristles. 

 Postnotum elliptical, prominent, dark-brown, a group of small setae near pos- 

 terior margin. Pleurae partly brown, coxae luteous, clothed with elliptical, flat 

 silvery-white scales. 



Abdomen subcylindrical, truncate apically and with numerous long dark- 

 brown terminal setae ; dorsal vestiture black with a slight metallic reflection ; the 

 last segment silver-scaled; venter white, the colors separated at the sides in a 

 straight line. 



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

 its cell, that of second posterior cell nearly as long as its cell ; basal cross-vein 

 distant nearly its own length from anterior cross-vein; outstanding scales of 

 veins long, ligulate, brown, with a slight bronzy reflection on costa, denser at 

 apices of second and third veins. Halteres whitish, with black knobs. 



Legs rather long, slender, black with a bronzy reflection ; femora pale beneath, 

 tibiae pale-brassy beneath; hind tarsi with all the joints broadly marked with 

 silvery- white at base beneath ; mid tarsi with the third and fourth joints silvery- 

 white beneath; fore tarsi with silvery luster beneath on last three joints, merg- 

 ing into the bronzy luster of the other joints. Claw formula, 0.0-0.0-0.0. 



Length : Body about 2 mm. ; wing 2 mm. 



Life history and habits unknown. 



Cuba. 



San Antonio de los Banos (J. H. Pazos) . 



WYEOMYIA VANDUZEEI Dyar & Knab. 



Wyeomyia smithii Smith (in part), Rept. Mosq. N. J., 353, 1904. 

 Wyeomyia vanduzeei Dyar & Knab, Proc. Biol. Soc. Wash., xix, 138, 1906. 

 Dendromyia smithii Theobald (in part), Mon. Culic, iv, 611, 1907. 

 Wyeomyia vanduzeei Theobald, Mon. Culic, v., 623, 1910. 

 Obiginal Descbiption of Wteomyia vanduzeei: 



Head brown with a silvery patch at vertex and one on each side of the occiput; 

 proboscis black; prothoraeic lobes silvery; thorax brown with two white spots 

 in front; pleurae silvery; abdomen blackish with bluish luster, white below; legs 

 dark, pale beneath, middle pair with tip of third, fourth, fifth joints pale above; 

 from side view the tarsal joints of hind legs show white at base. 



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