CULEX QUIXQITEFASCIATUS 345 



labellse pale. Palpi exceeding the proboscis by the length of the last Joint, 

 slender, uniform, apical portion slightly enlarged; vestiture black, with pale 

 scales intermixed on long joint, a white ring at basal third of long joint, a 

 patch of white scales at bases of last two joints above, a pale shade beneath for 

 entire length ; abun'dant long black hairs at end of long joint and on last two 

 joints. Antennae plumose; last two joints long and slender, rugose, pilose, 

 black, the others short, whitish, with black enlarged rings at insertions of hair- 

 whorls ; hairs long, dense, black ; tori entirely brown. Coloration similar to the 

 female. Abdomen long, depressed, nearly parallel-sided; dorsal white bands 

 broader and reaching sides, not triangular, but that on second segment pro- 

 duced in the middle, the others straight, those of sixth and seventh segments 

 broadly expanded at the sides ; last segment pale scaled, with a black patch in 

 the middle; lateral ciliation long, fine, pale yellowish. Wings narrower than 

 in the female, the stems of the fork-cells longer, vestiture sparser. Claw 

 formula, 1.1-1.1-0.0. 



Length : Body about -4 mm. ; wing 3.2 mm. 



Genitalia (plate 15, fig. Ill) : Side-pieces over twice as long as wide, nar- 

 rowed at tips ; inner prominence small, low, bearing three rods and a leaf -like 

 appendage ; clasp-filament long and slender with a stout terminal claw. Harpes 

 with inner branch stout and crowned with spines, outer rudimentary. Harpa- 

 gones divided into four narrow plates, the two outer ones rather long and sub- 

 equal, the outer with pointed recurved tip. Unci forming a small basal cone. 

 Basal appendages remote, each bearing a row of stout setae. 



Larva, Stage IV (plate 99, fig. 325) . Head rounded, wider than long, widest 

 through eyes ; antennae rather long and stout, spinose towards base, a tuft be- 

 yond middle, the part beyond it slender; head-hairs all multiple. Body with 

 skin glabrous ; lateral abdominal hairs in sixes on first segment, threes on second, 

 twos on third to sixth ; subdorsal hairs in twos on third to sixth segments. 

 Lateral comb of eighth segment of many spines in a large triangular patch. Air- 

 tube about five times as long as wide, subfusiform, pecten of about eleven teeth 

 on less than basal third ; four multiple hair-tufts beyond it, the subapical one 

 moved laterad out of line and situated well beyond middle of tube. Anal seg- 

 ment longer than wide, ringed by the plate, which has an incision ventrally; 

 dorsal tuft of three hairs of different lengths on each side; lateral hair single, 

 small ; ventral brush ample, confined by the chitinous ring. Anal gills about as 

 long as the segment, equal, with pointed tips. 



We have no notes on the life history and habits. 



Island of Jamaica, West Indies. 



Hope Gardens and Newcastle (M. Grabham). 



Culex revocator is closely allied to Culex quinquefasciatus, but differs as shown 

 in the tables. It probably is the Jamaican representative of this species. 



CULEX QUINQUEFASCIATUS Say. 



Culex quinquefasciatus Say, Journ. Acad. Nat. Sci. Phil., iii, 10, 1823. 



Culex pungens Wiedemann (not Robineau-Desvoidy), Auss. zweifl. Ins., i, 9, 1828. 



Culex fatigans Wiedemann, Auss. zweifl. Ins., i, 10, 1828. 



Anopheles ferriiginosus Wiedemann, Auss. zweifl. Ins., i, 12, 1828. 



Culex flavipes Macquart, Dipt. Exot, i, part 1, 35, 1838. 



Culex flavipes Macquart, Mem. Soc. R. Sc. de Lille, 1838, pt. 2, 39, 1838. 



Culex cubensis Bigot, Ramon de la Sagra, Hist, fisica Isl. Cuba, vii, 329, 1856. 



Culex cubensis Finlay, Anal. Acad. Cienc. Habana, xviii, 153, 1881. 



Culex 5-fasciatus Say, Ent. of N. Amer., ii, 39, 1883. 



Culex sp. nov? Williston, La Naturaleza, vii, 213, 1887. 



Culex penafieli Williston, La Naturaleza, vii, 326, 1887. 



Culex (?sp.) Skuse, Proc. Linn. Soc. N. S. Wales, ser. 2, iii, 1748, 1889. 



