URANOT^NIA LOWH 911 



of such scales in front of the scutellum and the dark integumentary stripe is also 

 absent. This is the form described by Theobald from the island of Antigua 

 under the specific name apicalis. He also reported the typical form from the 

 same island. Our material, comprising both forms, is from British Guiana. 



URANOTiENIA LOWH Theobald. 



Uranotwnia lowii Theobald, Men. Culic, ii, 339, 1901. 

 Uranotwnia lowii Giles, Handb. Gnats or Mosq., 2 ed., 492, 1902. 

 Uranotwnia lowii Theobald, Men. Culic, iii, 301, 1903. 

 Uranotwnia lowii Taylor, Rev. de Med. Trop., iv, 152, 161, 1903. 

 Uranotwnia lowii Pazos, Bull. See. Ent. France, 1904, 134, 1904. 

 Uranotwnia lowii Lutz in Bourroul, Mosq. do Brasll, 65, 1904. 

 Uranotwnia lowi Blanchard, Les Moustiques, 410, 1905. 

 Uranotwnia lowii Grabham, Can. Bnt., xxxvll, 401, 1905. 

 Uranotwnia lowii Dyar & Knab, Journ. N. Y. Ent. Soc, xiv, 186, 1906. 

 Uranotwnia lowii Coquillett, TJ. S. Dept. Agr., Bur. Ent., Tech. Ser. 11, 26, 1906. 

 Uranotwnia minuta Theobald, Mon. Culic, Iv, 559, 1907. 

 Uranotwnia lowii Theobald, Mon. Culicld., iv, 560, 1907. 

 Uranotwnia lowii Dyar & Knab, Journ. N. Y. Ent. Soc, xv, 246, 1907. 

 Uranotwnia lowi Peryassti, Os Culicid. do Brazil, 257, 1908. 

 Uranotwnia lowii Busck, Smith. Misc. Colls., quart, iss., Iii, 62, 1908. 

 Uranotwnia lowii Pazos, San. y Ben., ii, 49, 553, 1909. 

 Uranotwnia lowii Aiken, Brlt. Guiana Med. Ann., 1908, 14, 1909. 

 Uranotwnia minuta Aiken, Brit. Guiana Med. Ann., 1908, 15, 1909. 

 Uranotwnia lowii Newstead & Thomas, Ann. Trop. Med. & Par., Iv, 147, 1910. 

 Uranotwnia lowii Theobald, Mon. Culic, v, 502, 1910. 

 Uranotwnia minuta Theobald, Mon. Culic, v, 503, 1910. 



Oeiginai, Desceiption of Ubanot^nia lowii: 



Head with two silvery-blue patches; thorax bright chestnut-brown, with two dark 

 parallel median lines, a dark brown patch on each side over the roots of the wings, 

 a shiny silvery spot at the root of each wing; metanotum dark brown in the middle, 

 pale chestnut-brown at the sides. Abdomen dark brown, with traces of apical 

 pearly-blue lateral spots. Legs brown, the last two and the apical half of the ante- 

 penultimate hind tarsi white. Wings with a patch of violet and mauve scales at 

 base of the fifth long vein. 



?. Head dark brown, with deep brown flat scales over the occiput, a small patch 

 of silvery-blue ones on each side; eyes black; antennse deep brown, basal joint dark 

 brown, second joint pale, rather swollen, vertlcillate hairs long and dark, joints 

 all hairy; proboscis brown, much swollen apically and hairy towards the tip, 

 densely brown-scaled. 



Thorax bright clear chestnut-brown, darker in the middle, with two brown 

 median parallel lines and with a dark brown patch over the roots of the wings, a 

 small silvery-blue spot In front of the root of each wing, the mesonotum covered 

 sparsely with very small, curved, black scales, and small black bristles over the 

 roots of the wings and forming two distinct lines down the mesonotum; scutellum 

 pale chestnut-brown, with flat black scales (partly denuded) ; metanotum deep 

 brown in the middle, pale ochraceous-brown at the sides; pleurae pale ochraceous. 



Abdomen dark brown, with blackish-brown scales and pearly apical spots, show- 

 ing pale blue at times; venter ochraceous. 



Legs brown, the mid femora swollen, in the hind legs the last two and the greater 

 part of the apex of the antepenultimate tarsal joints white; ungues small, equal and 

 simple; in some lights the fore and mid tarsi appear pale in colour and rather 

 shiny. 



Wings with brown scales, the median ones small and truncated, in a single row, a 

 few long thin lateral ones, scales at the base of the fifth, and a few at the base of the 

 fourth metallic-blue in certain lights; first sub-marginal cell very small, the second 

 long vein close to the first long vein, the stem passing some distance past the 

 supernumerary cross-vein; second posterior cell larger than the first sub-marginal, 

 but small; posterior cross-vein about its own length distant from the mid cross-vein, 

 close to the base of the upper branch of the fifth long vein; halteres with an 

 ochraceous stem and fuscous head. 



Length. — 1.5 mm. 



Habitat. — St. Lucia. 



Time of capture. — February. 



