NEW SPIDER WASPS — DREISBACH 153 



Some or all of coxae black or at least very dark-colored; first antennal joint 

 not yellow above and below; last three joints of antennae not flattened 

 and widened 22 



22. Coxae not deep black, strongly dark reddish; first two pairs tronchanters 



same color, last pair yellow; head, dorsum of thorax, and sides of posterior 

 half of thorax greenish, anterior half black, clypeus reddish in center (more 

 like faded black); a rather broad yellowish stripe on inner orbits to just 

 above antennae; labial palpi yellow; abdomen black with a yellowish 

 streak on sides of first tergite. Trinidad. Figs IS, 19. 



41. aeruginosiis, new species 



All coxae deep black; head thorax and abdomen deep black, except for small 



marks 23 



23. A white line on inner orbits to just above antennae; all trochanter, femora, 



and tibiae rufous; basal joint of foretarsi yellow, last four joints, and all 

 joints of last two pairs dark, antennae black above, brown beneath. Costa 



Rica. Figs. 34, 35 37. niger, new species 



Anterior orbits black; foretrochanters yellowish, last two pairs black; all 

 femora rufous, but second pair dark at base, third pair black on almost 

 basal third; first two pairs tibiae yellowish beneath, dark above, posterior 

 pair dark above and below except reddish below on apical third; body long 

 and shaggy-haired; antennae black above, brown below. Panama. Figs. 

 32,33 39. anthracinus, new species 



1. Auplopus shannoni, new species 



Holotype female. Head black (very slight gTeenisli reflection), 

 thorax green (slightly bluish, and very slight purplish reflection in 

 certain light), abdomen wholly red, except pedicel black; head, thorax, 

 and coxae with light glistening, almost half as long as basal an- 

 tennal joint on propodeum; antennae j^eUowish underneath, black 

 dorsally and apical one or two joints underneath; clypeus produced 

 in front, typical ; clypeus twice as wide as long (20) ; upper and lower 

 interocular distance equal (19); lateral ocelli 1.5 as far from eyes as 

 each other, foreocellus the largest; ratio of length third and fourth 

 antennal joints is 16:13; head 0.8 as long as broad; vertex even with 

 eyes (ocelli slightly raised), no posterior orbits and temples evanescent; 

 labial palpi very long (longer than width of cl^^peus); mouth parts 

 fuscous; posterior edge of pronotum transverse, the dorsal surface 

 hidden by dense, prostrate, brownish pubescence; propodeum with 

 apical half covered with dense, silver}^, prostrate pubescence; the apical 

 half of propodeum and sides lightly striate; wings hyaline with bright 

 reflection with greenish hues; basal and transverse veins only slightly 

 disjointed; first recm-rent meets second cubital cell about middle, 

 second at basal fourth; coxae and trochanters dark with bluish luster; 

 all femora and first pair tibiae dark yellow (reddish), the middle and 



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