200 PROCEEDINGS OF THE NATIONAL IVIUSEUM vol. ii4 



violet reflection; dorsum of thorax to propodeum a more or less dull 

 greenish; posterior edge of pronotum violet to pui'ple, the sides with 

 violet reflection ; sides of thorax and propodeum with a brighter green 

 color with violet to purple reflection; color of abdomen similar to 

 female, except apex of first and second tergites is yeUowish and 

 posterior edge of fifth and sixth tergites a broader area yeUowish 

 white and all of the seventh tergite; the ventral surface of fu-st and 

 second sternites yeUowish; forecoxae yellowish with some violet re- 

 flection; last two pairs coxae black with bluish reflection and apex 

 slightly yeUowish; first pair trochanters yeUow, middle pair dark 

 yeUow and last pair almost black; fu-st two pairs femora and tibiae 

 yeUow, last pair femora yellow (slightly dark at base) and last pair 

 tibiae very dark reddish; almost all foretarsi yellow, basal joint of 

 second a darker yeUow, the last four joints of second pair and all 

 joints of last pair dark; mandibles (except a very smaU black spot at 

 base) and all mouth parts yellow; antennae dark yellow last few 

 joints blacker; clypeus and face densely covered with prostrate silvery 

 pubescence; sides of thorax also clothed with dense pubescence; 

 clypeus truncate in front with a wide hairless rim, 3.2 as wide as 

 long; middle interocular distance 0.65 of transfacial; head 1.2 as 

 wide as long; upper interocular distance (80) slightly greater than 

 the lower (75) ; ratio of length of first four antennal joints is 

 40:20:55:55; wings hyaline slightly yeUowish, veins and stigma 

 yeUowish; subgenital plate with a high ridge which extends to tip of 

 plate, the basal triangle closed about midcUe of visible part (not 

 dissected) ; sLxth ventrite with a deep V-shaped notch. 



Length head and thorax 4.6 mm., abdomen 4.6 mm., forewing 8.6 

 mm., rear wing 6.0 mm.; length genitalia 0.86 mm., width 0.46 mm., 

 length subgenital plate 0.93 mm., width 0.40 mm. 



AUotype male: San Bernardino, Paraguay, Nov. 15, 1927, K. 

 Fiebrig (USNM). 



Paratype male: Same data as aUotype except no date (RRD). 



66. Auplopus alarius, new species 



Holotype female. Clypeus black, rest of head duU greenish; thorax 

 a brighter green especially in certain spots ; abdomen shining greenish 

 in reflection through the rather dense bloom; all femora black with 

 greenish reflection (color more brown than black); tibiae a lighter 

 brown with green reflection; apices of tibiae as weU as of femora 

 yellowish, foretibiae almost j^ellow beneath; tarsi aU dark yellowish; 

 coxae and trochanters greenish; mandibles black at base reddish at 

 apex; labial palpi light yeUow; antennae yeUow, lighter beneath; 

 clypeus truncate in front 1.7 times as long; interocular distance 

 broad; head 1.35 as broad as wing, interocular distance at middle 

 0.5 times the transfacial distance; the upper interocular in distance 



