NEW SPIDER WASPS — DREISBACH 191 



posterior pair brown; lower face and clypeus silvery; pronotum, coxae, 

 pleura, and tip of propodeum with fine white pubescence; abdomen black 

 with slight bluish pubescence, British Guiana, Brazil . . tarsatus (Smith) 

 Forelegs with only about apical third of femora rufous, base dark, tibiae rufous, 

 tarsi brown; last two pairs tibiae rufous but dark on base and the knees of 

 last pair dark; last two pairs of tibiae and tarsi black; lower face and clypeus 

 not silvery; the parts mentioned above as having a fine white pubescence do 

 not have it, instead the pubescence is coarse, upright and gives a rough 

 appearance. Venezuela. Fig. 3 57. cyaneus, new species 



4. Clypeus very short, with a median lobe, and sides sloping outward from base 



of lobe, tibiae dark, no pale spot near tip of abdomen, 



smith! (Dalla Torre) 

 Clypeus without median lobe, truncate below; tibiae partly yellowish, pale 

 spot at tip of abdomen above. Colombia. Figs. 52, 53. 



Ageniella magdalenus (Banks) 



5. Body black or thorax with just a trace of color, and abdomen may have some 



brownish but no bright colors 6 



Some part of body, mainly thorax, with green or blue colors or violet reflec- 

 tion; in one case rufous on clj'^peus; abdomen may be all or partly 

 rufous 10 



6. Clypeus completely black; face with a yellowish streak on anterior orbits 



on each side, extending to base of antennae 7 



Clypeus white on each side as well as face 8 



7. Legs almost completely bright rufous except coxae; foretrochanters yellowish, 



last two pairs with apical part yellowish; all femora, tibiae, and metatarsal 

 joints yellowish; last four joints of all tarsi black; abdomen not petiolate; 

 abdomen black; third cubital cell extends to apex of marginal cell; a large 

 heavy-bodied insect; length 9.5 mm. Argentina. Figs. 48, 49. 



70. coracinus, new species 

 Legs not completely rufous; foretrochanters a dull yellowish, last two pairs 

 black; middle and last pair femora dark at base and apex; posterior tibiae 

 dark above dark reddish beneath; middle tibiae dark at base and tip; 

 foretarsi rufous, last two pairs wholly dark; abdomen strongly petiolate, 

 the basal segment tinged with rufous; third cubital cell does not extend to 

 apex of marginal cell; a delicate slender-bodied insect; length 7.2 mm; 

 parameres of genitalia narrower than in coracinus. Ecuador. 



80. editorialis, new species 



8. The last two pairs femora black at base ; front pair coxae light colored on ventral 



surface, last two pairs black; front pair trochanters shghtly light-colored 

 but black predominating, last two pairs black; all femora and first two 

 pairs tibiae light yellow, last pair tibiae deep rufous, blackish in certain 

 light; first two pairs metatarsal joints yellowish, last pair and last four 

 tarsal joints of all legs dark; white side spots on clypeus covering more than 

 0.5 of width and the white on sides of face extending to base of antennae; 

 first joint of antennae white beneath, rest yellowish beneath. Brazil. 



Figs. 46, 47 rufipes (Banks) 



Last two pairs femora wholly yellow; front pair trochanters rufous; all femora 

 and tibiae rufous or reddish yellow; basal antennal joint yellowish white 

 beneath, rest of antennae yellow beneath; thorax black or very faintly 

 with a metallic tinge 9 



9. Forecoxae yellowish only at tip; clypeus with a white spot each side, rest 



black including apex which is slightly upturned and black, hardly a rim; 

 face narrowly white the white color reaching about 0.5 to antennae; para- 



