154 PROCEEDINGS OF THE NATIONAL MUSEUM vol. in 



posterior tibiae dark purple, in certain light, on dorsal surface, middle 

 pair reddish underneath; all tarsi dark. 



Length head and thorax 5.3 mm., abdomen 4.3 mm., forewing 9.2 

 mm., rear wing 6.6 mm. 



Holotype female: Cano Saddle, Gatiin, Panama, May 3, 1923, 

 R. C. Shannon (USNM). 



2. Auplopus semialatus, new species 



Figures 14, 15 



Holotype female. Head and thorax mostly black, abdomen red; 

 mouth parts, all mandibles, clypeus, face, broad anterior orbits to 

 about middle of front, lower third of posterior orbits under head, and 

 all of basal antennal joints, light yellow; all of under side of antennae 

 yellowish, the dorsal surface reddish bro^\^l ; pronotum wholly reddish, 

 except front corners at sides are more yellowish; the sides of thorax 

 just above middle and posterior coxae, reddish (obscured in certain 

 light by golden pubescence) ; abdomen light red except dorsal base of 

 first tergite (pedicel); legs from coxae on same color as abdomen, 

 except last joints of posterior tarsi are dark; the black part of body 

 with dense, prostrate golden pubescence, especially dense just above 

 last two pairs coxae and a streak across base of propodeum and across 

 apical half of propodeum; clypeus as usual, 1.4 as wide as long, a 

 narrow shining hairless rim on front; labial palpi exceptionally long, 

 almost twice as long as width of clypeus; ratio of length of third and 

 fourth antennal joints is 18:15; upper interocular distance equals 

 0.9 lower interocular (which is equal to third antennal joint); head as 

 broad as long; foreocellus the largest, the laterals 1.6 as far from eyes 

 as each other; forewing very dark brown from costa back to median 

 vein and just back of cubital cells, the rear of forewing and all of rear 

 wing yellowish hyaline, very noticeable; basal veins disjointed about 

 twice width of vein; the bright golden pubescence and colors make 

 this a beautiful species. 



Length of head and thorax 5.3 mm., abdomen 5.3 mm., forewing 

 10.6 mm., rear wings 8.0 mm. 



Holotype female: Rio Trinidad, Panama, Mar. 23, 1912, A. Busck 

 (USNM). 



Paratypes: 1, same data as holotype (USNM); 1, Barro Colorado 

 Island, Jime 14, 1939, Zetek 4453, lot 89-12571 (USNM); 1, Mojinga 

 Swamp, Fort Sherman, C.Z,, Aug. 15, 1951, trap, F. S. Blanton 

 (USNM); 1, Barro Colorado Island, C.Z., Feb. 9, 1936, F. E. Lutz 

 (AMNH). 



