20 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. 61. 



Leugth of anterior wing: 10.5-11.5 mm. 

 Length of wing scale: 1.0 mm. 

 Diameter of eye : 0.300-0.307 mm. 

 Widtli of head : 1.30-1.40 mm. 

 Width of pronotum : 1.30-1.40 mm. 

 Width of anterior wing : 3.00-3.25 mm. 



Winged adult darker and smaller than that of Coptotermes vvirahi- 

 tanus Hagen : compared with the type of the latter in tlie ^Museum 

 of Comparative Zoology, Cambridge, Massachusetts. 



Soldier. — Head yellow-brown, slightly darker on anterior portion ; 

 shorter than in viarahitanus ; broadest posteriorly back of longest 

 hairs or bristles on margin of head ; tapers toward anterior area 

 more sharply than in 7narahitanus, more pointed at apex (fig. 5) ; 

 with light yellow, long, scattered hairs on dorsum and lateral mar- 

 gins, also on ventral surface from anterior to posterior areas. Gula 

 slightly broader and shorter than in mara- 

 hifamis but not as broad as in crassus 

 Snyder; breadth in middle about half 

 that at anterior area (fig. 5). Mandibles 

 castaneous-brown to black, curved at tip, 

 long, more slender than in either viara- 

 hlfanus or crassivs. Left mandible with 

 marginal teeth at base less prominent 

 than in crasms. 



Labrum castaneous-brown, elongate, 

 subtriangular, less sharply pointed than in 

 "" crassus, slightly constricted at tii:), two 



Fig. 5. — CorTOTERMES nicer. . "^ ." 



Soldier. Ventral view of long hairs On tip. 



HEAD SHOWING GDLA. great> Antcnuae light yellow-brown, 14 seg- 



LY ENLARGED. t n i i- 



ments, pubescent ; first segment long, cyhn- 

 drical, stout; second shorter, but longer than third or fourth; fifth 

 approximately equal to second; last segment short, slender, subovate. 



Pronotum light yellowish, not as long as in crassus or even in 

 maraljitanus, with long hairs. 



Abdomen dirty white with tinge of yellow, with long pubescence. 



Legs light yellow, elongate, slender. 



Measurements. 



Length of entire soldier : 4-4.50 mm. 

 Length of head with mandibles : 2.0-2.1 mm. 

 Length of head without mandibles: 1.20-1.30 mm. 

 Length of left mandible: 0.80-0.85 mm. 

 Length of pronotum : 0.40 mm. 

 Length of hind tibia : 0.800-0.902 mm. 

 Width of head (at widest point) : 1.15-1.20 mm. 

 Width of pronotum : 0.702-0.750 mm. 



The large series of soldiers upon which this description is based 

 were found at Gamboa, Canal Zone, Panama, H. F, Dietz, collector. 



