INSECUTOR INSCITI^ MENSTRUUS 65 



Clasp-filament narrowly snout-shaped, with a stout seta ; 

 spine widened and appendiculate. Outer division of lobe of 

 side-piece with a short outer arm, bearing a large expanded 

 leaf ; inner angle with a broad blade-like filament with hooked 

 tip, a small filament and a (middle) narrowly blade-like one. 

 Inner division with the arms separated, inner one short, each 

 bearing a stout filament with expanded hooked tip. Second 

 uncal plate short and broad, furcate, the limbs short, pointed 

 and equal, a stout hook near them, the three forming a tri- 

 angle. First plate triangularly spatulate. x^rticulated plate 

 large, rounded, infuscated, one angle produced inward and 

 roughened. Basal hooks long, curved, sharply pointed. Basal 

 appendages large, elliptical, oblique, approximate, with many 

 long setae. 



This Cuban species is allied to coppenamensis B.-W. & B. of 

 the South American mainland. 



Culex (Choeroporpa) corentynensis, new species. 



Clasp-filament thickly snout-shaped, the spine appendiculate, 

 not much widened. Outer division of the lobe of the side- 

 piece with a slender inner arm, bearing a large filament with 

 hooked tip and a small filament ; from the base of the stem 

 toward the inner side a triangularly widened ribbed leaf, ap- 

 parently representing the middle filament, but placed basad of 

 its usual position ; outer angle with three approximate curved 

 filaments. Inner division with the limbs separate, equal, both 

 short and bearing stout filaments with widened pointed tips. 

 Second uncal plate furcate, one limb smooth and slender, 

 the other (inner) coarsely denticulate; a stout horn near 

 the tip, the three forming a triangle. First plate trigonate with 

 pointed tip ; a horn at the insertion of articulated plate. Ar- 

 ticulated plate large, rounded triangular, fimbriate on one angle. 

 Basal hooks rudimentary. Basal appendages elliptical, small, 

 rather remote, with few hairs. 



The adult has small oval white scales on the sides of head, 

 small bronzy brown scales on mesonotum, abdomen entirely 

 black, legs without knee-spots. Wing-scales narrowly ovate, 

 becoming Hgulate on base of third and fifth vein. 



