314 MOSQTTITOES OF NORTH AMERICA 



cross-vein distant more than its length from anterior cross-vein ; scales of veins 

 brown with a blue reflection on costa, outstanding ones ovate, dense on forks of 

 second and fourth veins, third and upper branch of fifth. Halteres whitish, 

 with black knobs. 



Legs moderate; middle femora stout; vestiture of black scales, with bronzy 

 and blue luster, the femora paler beneath. Claw formula, 0.0-0.0-0.0. 



Length : Body about 3.5 mm. ; wings 3.5 mm. 



Life history and habits unknown. 



Island of Trinidad, West Indies. 



Trinidad, West Indies (P. W. TJrich). 



The species was founded upon a single female specimen. We have before us 

 a single female from the type locality, which we have identified as Oulex spis- 

 sipes. It differs from Theobald's description and figure in having a pair of 

 small brown spots within the area of golden coloration on the anterior part of 

 the thorax. We venture to think that this marking may have been overlooked 

 by Mr. Theobald, and so make the identification in spite of the apparent dis- 

 crepancy. Dr. Peryassti's description appears to be but a translation of Theo- 

 bald's, and so adds no new information. The species is allied to Cidex fur, 

 which differs principally in having the above-mentioned brown spots of con- 

 siderable size, and it is possible that further material may show the two species 

 to be the same. 



CULEX FITS Dyai & Knab. 



Culex fur Dyar & Knab, Joum. N. Y. Ent. Soc, xv, 13, 1907. 

 Culex fur Busck, Smitbs. Misc. Colls., ciuart. iss., lii, 70, 1908. 

 Culex fur Theobald, Men. Culic, v, 613, 1910. 



Obiginai. Desceiption op Cuiex fue: 



Proboscis black; head broad, black behind the eyes; thorax with the anterior half 

 covered with brassy scales, two large dark patches within this area on the disk 

 before; posterior half of the thorax deep brown. Abdomen black above, the hind 

 margins of the segments with yellowish hairs; beneath dirty gray. Legs black. 

 Wings brown scaled along the veins, the scales on the apical portion broad. Tarsal 

 claws simple. 



One specimen, $, Colon, Panama (A. C. H. Russell). 



Type. — Cat. no. 10259, U. S. Nat. Mus. 



The larva is unknown to us. 



Descetption of F^mam; of Citlbx fcb (Mais and Labva Unknown) : 



Female. — Proboscis long and slender, slightly swollen at tip, vestiture black 

 vrith a bronzy and blue reflection ; setae minute, curved, black, those on labellse 

 more prominently outstanding. Palpi short, one-fifth as long as proboscis, 

 clothed vrith black scales. Antennse moderate, the joints subequal, second joint 

 one and one-half times as long as third, pale at base, others rugose, pilose, black- 

 ish ; tori subspherical, with a cup-shaped apical excavation, dark brown within, 

 yellowish without, pruinose. Clypeus triangular, prominent, dark brown, prui- 

 nose. Occiput dark brown, clothed with narrow, curved golden scales above, 

 with flat white appressed ones on sides below, many erect, forked black scales 

 on nape ; a row of black setae along margins of eyes. 



Prothoraeic lobes elliptical, remote dorsally, dark brown, clothed with black 

 bristles. Mesonotum dark brown, anterior half clothed with narrow, curved 

 golden-yellow scales, hind margin of patch indented on median line and a patch 

 of these on each side of ante-scutellar space, posterior half of mesonotum other- 

 wise clothed with dark-brown scales ; a large patch of brown scales on each side 

 of middle within the golden area ; setae dark brown. Scutellum trilobate, dark 

 brown, clothed with narrow, curved golden-yellow scales, each lobe with a tuft 



