378 MOSQTJITOES OF NORTH AMERICA 



Male. — Proboscis long, straight, slender, gradually enlarged towards apex. 

 Palpi long and slender, tip of long joint and last two joints somewhat thickened 

 and with numerous long black hairs, exceeding the proboscis by the length of the 

 last joint; vestiture of bronzy-black scales. Antennae plumose; last two joints 

 long and slender, rugose, pilose, black, the others moderately short, white, with 

 broad black thickened rings at insertions of hair-whorls; hairs long, dense, 

 black. Coloration similar to the female. Wings hardly narrower than in the 

 female, the stems of the fork-ceUs about the same, scales on forks of second 

 vein and at tip of third vein distinctly ovate, broadest towards tip of wing. 

 Abdomen long, slender, somewhat broadened towards apex, segmental bands 

 broad, occupying nearly basal thirds of segments, laterally produced on sixth 

 and seventh segments; sides of abdomen with long yellowish ciliation. Claw 

 formula, 1.1-1.1-0.0. 



Length : Body about 3 mm. ; wing 2.7 mm. 



Type : No. 12208, U. S. Nat. Mus. 



Genitalia (plate 18, figs. 132 and 133) : Side-pieces slender, over twice as 

 long as wide ; lateral prominence near apex, quadrate, bearing three rods, a leaf - 

 like appendage and a seta. Clasp-filament moderate, slightly enlarged at base, 

 with a small terminal claw. Harpes with inner branch thick, with a rounded 

 tuft of terminal spines, outer branch short and inconspicuous. Harpagones of 

 several large plates divided into large projecting teeth. Basal appendages 

 rounded, setose. 



Larva, Stage IV (plate 101, fig. 334). — Head rounded, wider than long, 

 widest through eyes; antennae long, rather stout, spinose towards base, a large 

 tuft beyond middle, part beyond it slender; dorsal head-hairs in threes, ante- 

 antennal tufts multiple. Thorax with skin finely spiculate ; lateral abdominal 

 hairs in fives on first segment, threes on second, twos on third to sixth ; lateral 

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

 about seven times as long as wide, gradually tapered outwardly, pecten reaching 

 less than basal third, of small evenly spaced teeth ; four tufts beyond pecten, the 

 two central ones moved laterad out of line, the two basal single-haired and long, 

 the two outer ones double and short. Anal segment about as long as wide, ringed 

 by the plate ; dorsal tuft of three hairs of different lengths on each side ; lateral 

 hair single, small; ventral brush well developed, confined to the barred area. 

 Anal gills rather long, broad, conically tapered, subequal. 



Mr. Jennings found the larvse in a tub of water used for cattle. 



Panama. 



Taboga Island, Panama Bay (A. H. Jennings) ; Empire, Canal Zone (A. H. 

 Jennings). 



The specimens referred to by Mr. Busck as Culex regulator, we find upon 

 further study to be in part Crdex reflector and in part Culex proximus. 



CULEX ABOMINATOR Dyar & Knab. 



Culex abominator Dyar & Knab, Smiths. Misc. Colls., quart, iss., Ill, 257, 1909. 

 Culex abominator Thlbault, Proc. Ent. Soc. Wash., xli, 20, 1910. 

 Culex abominator Coad, Can. Ent, xlv, 265, 1913. 



Obioinal Descbiption or Cttlex abominatob: 



With the general characters of C. pipiens Linn., but separable from It by the 

 broader ovate wing-scales and the dlatlnct banding on the under side of the abdomen. 



Ten specimens, Tutwller, Misalsslppi, August 2, 1904 (H. S. Barber) ; Rives, Ten- 

 nessee, July 27 (H. S. Barber) ; Come, Franklin Parish, Louisiana, August 20 (G. 

 E. Beyer) ; Victoria, Texas, July 28, 1904 (E. G. Hinds) ; Piano, Texas, September 

 (B. S. Tucker). 



Type no. 12103, U. S. N. M. 



