442 PROCEEDINGS OF THE NATIONAL MUSEUM vol. i09 



knob, stem slender, bent at some distance from base, midportion 

 straight with a well-developed ventral lobe, distal portion abruptly 

 bent and tapered to fine point with a lateral fringe of fine spines. 



Distribution: Widely distributed in South and Central America 

 and the West Indies, from Argentina and Bolivia to Mexico and the 

 eastern United States. 



Panama records: 



BocAS DEL ToRO Pkovince: Almirante. 



Canal Zone: Camp Pina, Fort Clayton, Fort Davis, Fort San Lorenzo, France 



Field, Huile Sia Clara (?), Loma Boracho, Madden Dam, Mindi Dairy, Mojinga 



swamp. 

 Cocl:6 Province: El Valle, La Venta, Puerto Farall6n, Rio Hato. 

 Col6n Province: Pina. 



Dari^n Province: Garachin6, Jaqu6, Punta Patino. 

 Los Santos Province: Puerto Mensabe. 

 Panama Province: Arraijdn, Camar6n, Cerro Campana, El Coco, La Jolla, 



Pacora, Pedregal, Tocumen. 



Discussion: Structurally paraensis is a typical member of the 

 debilipalpis group with male genitalia nearly identical with those of 

 debilipalpis Lutz. It can be readily separated from all other members 

 of this group, however, by the presence of small round pale spots at 

 the extreme apices of cells R5 and Mi. 



76. CuUcoides debilipalpis Lutz 



Figure 79 



CuUcoides debilipalpis Lutz, 1913, Mem. Inst. Oswaldo Cruz, vol. 5, p. 60 (female; 

 Brazil; fig. wing). — Costa Lima, 1937, idem., vol. 32, p. 415 (fig. palpus). — 

 Macfie, 1937, Ann. Mag. Nat. Hist., vol. 20, p. 7 (female; Trinidad).— Floch 

 and Abonnenc, 1942, Inst. Pasteur Guyane Terr. I'lnini, publ. 37, p. 3 (French 

 Guiana; fig. wing, palpus). — -Barbosa, 1947, Anais Soc. Biol. Pernambuco, 

 vol. 7, p. 14 (St. Croix, Barbados, Venezuela; fig. palpus). — Macfie, 1948, 

 Ann. Trop. Med. Parasit., vol. 42, p. 86 (Chiapas, Mexico, notes). — 'Barbosa, 

 1952, Novas Subsidies . . . CuUcoides Neotropicos, p. 12 (Argentina, Brazil; 

 fig. palpus). 



Female: Length of wing 0.80 (0.66-0.92, n=38) mm. 



Head. — Eyes broadly separated, with very short interfacetal hairs, 

 appearing bare in profile of eye. Antenna with flagellar segments in 

 proportion of 15:12:13:15:15:15:15:15:15:16:18:18:29, antennal ratio 

 0.83 (0.76-0.90, n = 13); distal sensory tufts present on segments iii, 

 viii-x. Palpal segments in proportion of 7:19:24:8:8, third segment 

 moderately swollen, 2.2 (1.6-2.6, n=35) times as long as greatest 

 breadth, with small, deep sensory pit. Mandible with 15 (12-19, 

 n = 37) teeth. 



Thorax. — Mesono tum pruinose dark grayish brown with moderately 

 strong pattern of subshining, brownish black, consisting of a median 

 anterior triangular marking and a sublateral pair of elongate, tri- 



