424 PROCEEDINGS OF THE NATIONAL MUSEUM vol. i09 



rings; hind tibial comb with four (n = 9) spines, the one next to the 

 spur longest, a third as long as basitarsus. 



Wing. — Pattern as figured, posterior poststigmatic pale spot in cell 

 R5 very small or entirely absent, distal spot in cell R5 transverse and 

 not double, not attaining wing margin; two very small pale spots each 

 in cell Ml and in apices of cell M2 and anal cell; a pale spot present 

 behind medial fork and another in front of mediocubital fork. Mac- 

 ro trichia very long and dense, numerous in anal cell and in three or 

 four rows to base of cell M; costa extending to 0.65 of distance to 

 wing tip. Halter pale. 



Abdomen. — Dark brown; cerci yellowish. Spermatheca one, pyri- 

 form, measuring 0.063 by 0.037 mm., with long sclerotized neck. 



Male: Unknown. 



Distribution: Venezuela; Panama. 



Panama records: 



BocAs DEL ToRO PROVINCE: Almirante. 



Canal Zone: Las Cruces. 



CniRiQuf Province: Boquete, Volcdn. 



Discussion : Characters for the separation of rangeli from the 

 closely related iransferrans Ortiz and patulipalpis Wirth and Blanton 

 are discussed under patulipalpis. According to the original descrip- 

 tion and figures given by Vargas (1954), donajii Vargas from Chiapas, 

 Mexico, is very close to rangeli, differing in the female by the fusion 

 and extension of the two poststigmatic pale spots in cell Rg. 



68. Culicoides transferrans Ortiz 



Figure 71 



Culicoides transferrans Ortiz, 1953, Rev. Sanid. Asist. Soc, vol. 18, p. 801 (new 



species name for eublepharus Macfie of Ortiz 1952, misident.; fig. wing, 



antenna, palpus, spermatheca). 

 Culicoides eublepharxis Ortiz (misident., not Macfie), 1952, Acta Cient. Venezolana, 



vol. 3, p. 129 (male, female; Venezuela; fig. wing, palpus, spermatheca, male 



genitalia). 



Female: Length of wing 0.98 (0.96-0.99, n=6) mm. 



Head. — ^Eyes narrowly separated, with long interfacetal hairs. 

 Antenna with flagellar segments in proportion of 17:12:13:14:14:14:14: 

 15:25:26:29:32:36, antennal ratio 1.43 (1.24-1.74, n = 3); distal 

 sensory tufts present on segments in, xi-xiv. Palpal segments in 

 proportion of 8:18:23:8:8, third segment moderately swollen, 2.1 

 (1.9-2.3, n = 6) times as long as greatest breadth, with a broad, 

 shallow, sensory pit. Mandible with 15 (14-15, n = 3) teeth. 



Thorax. — Mesonotum with prominent pattern as figured, chocolate 

 brown on the disc with an elongate submedian anterior pair of large 

 yellowish spots, two pairs of lateral spots and extensive prescutellar 



