NEW SPIDER WASPS — DREISBACH 155 



Allotype male. Colored as in the female, except that all the joints 

 of last tarsi are dark, and there is more yeUow on sides of thorax; 

 ratio of length of third and fourth antennal joints is 9:9, antennae is 

 very slender; clypeus 1.75 as broad as long; does not extend under 

 eyes; lower interocular distance equal to the upper (14); transfacial 

 distance 1.75 times the interocular; head 1.15 as broad as long; lateral 

 ocelli 1.5 as far from eyes as each other; genitalia with the parameres 

 rather slender, almost acute at apex; the transverse ridge near middle 

 of parameres deeply concave on apical side (usually almost straight) 

 and located below the apex of volsellae; the flap at base of volsellae 

 short rather abruptly, somewhat pointed; subgenital plate with the 

 basal triangle closed about the middle; genitalia very small for size 

 of insect. 



Length head and thorax 3.6 mm., abdomen 3.9 mm., forewing 

 6.8 mm., rear wing 5.2 mm.; length genitalia 0.93 mm., width 

 0.53 mm., length subgenital plate 0.93 mm., width 0.40 mm. 



Allotype male: Mojinga Swamp, Fort Sherman, C.Z., Aug. 15, 

 1951 (trap), F. S. Blanton (USNM). 



3. Auplopus splendens, new species 



Holotype female. Head and thorax deep, shining, green ; abdomen 

 dark brown, shining; clypeus, face, inner orbits to just above antennae, 

 and most of thorax with dense, prostrate, golden, shining, pubescence; 

 first three joints of antennae bright yellow, beyond third joint an- 

 tennae dull yello\vish below, becoming darker toward apex, the 

 upper surface beyond middle of fom-th joint dark; the apex of clypeus, 

 apical half of mandibles and mouth parts, yellowish; legs yellow from 

 trochanters to apex of basal tarsal joints; the last two tarsal joints 

 of forelegs, last thi-ee of middle legs, and last four joints of posterior 

 pair, dark; coxae yellowish on most of apical half below, rest bluish 

 green; clypeus of usual shape 2.25 as wide as long; ratio of length 

 of third and fourth antennal joints is 14:10; upper interocular distance 

 (16) equal to the lower; head 1.25 as broad as long; anterior ocellus 

 the largest, the laterals 2.0 as far from eyes as each other; pronotum 

 very short dorsally, transverse behind, and with a line of dense 

 pubescence preapically; a groove on middle of propodeum; wings 

 yellowish, veins aud stigma yellowish; abdomen brown with lighter 

 color on apical edge of tergites, pruinose. 



Length head and thorax 4.6 mm., abdomen 4.0 mm., forewing 8.5 

 mm., rear wing 6.5 mm. 



Holotype female: Chiriqui Bamito, Volcan, Panama, December 

 1946, N. L. H. Krauss (USNM). 



