48 PROCEEDINGS OF THE NATIONAL, MUSEUM vol. 68 



Wings cloudy gray, costal area yellow brown, surface punctate, 

 with hairs, margins ciliate. Forewing with median vein close to 

 cubitus not branched or with two branches to apex of wing ; cubitus 

 with 10-11 branches or subbranches to lower margin of wing does 

 not reach apex ; in some wings median vein emerges (loops down) from 

 subcosta at apical two-thirds of wing with two branches to apex, in 

 others, in addition to the two branches to the apex, with two addi- 

 tional branches to the lower margin of the wing — venation inclined 

 to be abnormal. 



Legs yellow with brown tinge, with long hairs. 



Abdomen with tergites dark castaneous-brown, with dark spiracu- 

 lar markings and dense long hairs; cerci not prominent. 



Measurements. — 



Length of entire winged adult, 10.50-11.00 mm. 

 Length of entire dealated adult, 5.50-6.00 mm. 

 Length of head (to tip of labrum), 1.10 mm. 

 Length of left mandible, 0.45 mm. 

 Length of pronotum, 0.50 mm. 

 Length of hind tibia, 0.75 mm. 

 Length of anterior wing, 9.00 mm. 

 Diameter of eye (long diameter), 0.20 mm. 

 Width of head (at eyes), 0.80 mm. 

 Width of pronotum, 0.65. 

 Width of anterior wing, 2.60. 



Type locality. — San Gregorio, Beni, Bolivia. 



A distinctive character is the long clypeus. 



Described from a series of winged male and female adults col- 

 lected with workers at the type locality by Dr. "W. M. Mann in 

 October, 1921. 



Type, winged, female adult.— Cat. No. 27G69, U.S.N.M. 



ANOPLOTERMES (ANOPLOTERMES) DISTANS. new species 



Queen (first form). — Head light castaneous-brown with reddish 

 tinge, broader than long (posterior to base of postclypeus) with 

 dense long hairs. Fontanelle hyaline a subelliptical spot on vertex 

 of head. 



Postclypeus light yellow-brown, a little over twice as broad as 

 long, projecting, bilobed, with long hairs. 



Eye black, nearly round, close to lateral margin of head, project- 

 ing. Ocellus hj^aline, oblong, separated from eye by a distance 

 nearly equal to the long diameter of an ocellus, with projecting 

 upper rim, set obliquely to eye. 



Mandible yellow, apex castaneous, elongate. 



Antenna yellow tinged with brown, 15 segments, becoming longer 

 and broader toward apex, with long hairs ; third segment short nar- 



