80 M08QTJITOE8 OF NORTH AMERICA 



elliptical, flat brown scales, with a bronzy and blue reflection ; scales on lateral 

 margins whitish, a few pale scales in front ; setae at roots of wings dark brown. 

 Scutellum trilobate, with vestiture similar to and continuous with that of meso- 

 notum, each lobe with a small tuft of black bristles. Postnotum elliptical, 

 prominent, rounded, dark brown, a group of small, pale setae near posterior 

 margin. Pleurae luteous, brown in the middle, coxee luteous, clothed with ellip- 

 tical, flat silvery-white scales. 



Abdomen subcylindrical, compressed, truncate apically and with many long, 

 dark-brown terminal setae; dorsal vestiture black, with a slight metallic reflec- 

 tion ; venter yellowish white ; colors separated at 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 shorter than its cell ; basal cross-vein distant 

 less than its own length from anterior cross- vein; outstanding scales of veins 

 broadly linear, black, with bronzy reflection on costa, broader and denser at ex- 

 treme apex. Halteres whitish, with black knobs. 



Legs rather long, slender, black with violaceous and blue reflection, femora 

 and tibiae whitish beneath; mid tarsi with apical half of second and all of 

 third, fourth and fifth joints white beneath; hind tarsi whitish beneath. Claw 

 formula, 0.0-0.0-0.0. 



Length : Body about 3.5 mm. ; wing 3 mm. 



The adults were captured by Mr. Schwarz as they came to bite in the daytime, 

 some in the woods, some in the house. 



Cuba. 



Cayamas, May 8 and 30, March 3 and 9, June 3 and 8 (E. A. Schwarz) ; 

 Santiago de Cuba, May 28, 1903 (J. E. Taylor) . The species is also reported 

 by Dr. J. H. Pazos from Daiquiri, under the name Wyeomyia smithii. 



WYEOMYIA MITCHELLH (Theobald) Pazos. 



Dendromyia mitchelUi Theobald, Mosq. or Cullc. of Jamaica, 37, 1905. 



Wyeomyia ochrura Dyar & Knab, Journ. N. Y. Bnt. Soc, xiv, 227, 229, 1906. 



Wyeomyia ochrura Dyar & Knab, Proc. Blol. Soc. Wash., xlx, 141, 1906. 



Wyeomyia pertinans Dyar & Knab (In part), Proc. Biol. Soc. Wash., xlx, 168, 1906. 



Dendromyia mitchelUi Theobald, Mon. Cullc, iv, 605, 1907. 



Wyeomyia mitchetti Pazos, Anal. Acad, de Cien. m6d., fis. y nat. Habana, xlv, 429. 



1908. 

 Wieomyia mitchelli Pazos, San. y Ben., ii, 51, 676, 1909. 

 Dendromyia mitchelUi Theobald, Mon. Cullc, v, 591, 1910. 

 Wyeomyia ochrura Theobald, Mon. Culic, v, 625, 1910. 



OBIOINAI. DeSCBIFTION of DENDBOMYIA MITCHELLn: 



Head deep brown, with grey scales at the sides; proboscis and palpi deep brown; 

 antennae brown. Thorax deep shiny brown, clothed with deep brown scales; pleurae 

 bright ochraceous, with patches of silvery white scales. Abdomen deep blackish, 

 with grey or creamy venter; unhanded and unspotted; apex dark ventrally, with 

 black bristles; legs long and thin, deep brown, except one side of the last three 

 mid tarsi (and the tip of the fourth, which ie black), and the apex of the first, 

 which are shiny silvery white. Wings with brown scales; fork-cells long. 



$. Head deep brown, clothed with flat deep-brown scales, except around the 

 eyes, where there is a broad border of grey scales showing violet reflections, and at 

 the sides, and also a creamy patch in the middle in front; a few curved black 

 bristles project forward over the eyes. Proboscis deep blackish brown, nearly as 

 long as the abdomen, slightly swollen apically. Palpi deep blackish brown, with 

 short black bristles, about one-eighth the length of the proboscis; antennae deep 

 brown, with long dark verticillate hairs and grey pubescence on the internodes. 

 Eyes black (In the dead insect). Thorax deep shiny black, clothed with irregularly 

 disposed, bronzy-black, flat, spindle-shaped scales and large, flat, spatulate ones 

 with dull violet reflections over the roots of the wings, and deep brown bristles; 

 there are also large, flat scales before the scutellum. A few grey scales in front 

 over the head; prothoracic lobes clothed with small, flat, brown scales above, with 

 dull silvery white ones below; a patch of small, flat, silvery-white scales on each 



