460 A Monograph of Culicidae. 



than quarter length of the cell ; the second fork-cell not twice the length 

 of the stem, variable. Posterior cross-vein twice its own length from the 

 mid. 



Legs dark coloured, paler at knees and joints of the tibiae and first 

 tarsals, venter paler. A number of long, thin, golden hairs, chiefly on the 

 ventral side of the posterior tibiae ; all the tibiae have their apices 

 enlarged, and the posterior ones are shorter than the first tarsals. Ungues 

 small. Halteres pale with dusky knob." (Lutz.) 



Note. — Description drawn from a great many specimens. 

 Prevalent in the Cantarlira Hills, near Sao Paulo, where the 

 larvae occur in bromelia waters. 



The larvae have a long thin siphon, and the nymphs are very 

 small. 



The larva under the microscope is of a most beautiful colour, 

 with mother-o'-pearl and brick-red tones. In the centre and 

 posterior extremity of the thorax is a horse-shoe-shaped mother- 

 o'-pearl area, the opening towards the head of the larva. Inside 

 of the horse-shoe black, showing at the sides tsvo other black 

 patches. In front of the middle of each side of the thorax there 

 is a very pretty green patch of a rough crescent shape, turned 

 towards the front and between these in the centre a mother-o'- 

 pearl patch. In front of the green crescents and lateral spots 

 run two green lines which divide ; there is also a brick-coloured 

 mark on the thorax." (Lutz.) 



Genus ECCULEX. Felt.* 

 Bull. 79, Ent. 22, N. York, St. Mus., p. 391, c. App. (1904). 



* Felt takes my Culex sylvestris as the type of this genus. I cannot 

 see my way to separate it from true Culex under which species it is still 

 retained. It is typical of Culex in all respects, the genitalia heing no more 

 varied than one finds in other closely related species of Culex. Felt also 

 includes Culex melanurus, Coquillett. 



Felt's generic definition is here appended : — 



" Petiole of anterior fork-cell of ? wing, about one-half its length. 

 Posterior cross- vein more than its length from mid cross-vein. Lateral 

 scales long, well separated from the closely appressed, broad vein scales. 

 Terminal clasp segment of <J genitalia with sub-apical spine. Claspette 

 a rather conspicuous basal lobe. Harpes broad, with recurved terminal 

 spine ; harpogones terminated by three long recurved spines. Larva with 

 well -developed air tube, comb scales with spatulate base and stout, 

 terminal spine." 



