PSEUDOSPHEX. — SPHECOSOMA. 89 



fulvous yellow, the tarsi fulvous yellow ; abdomen dark brown, 

 ventrally banded with yellowish. Fore wing hyaline, the cell 

 tinged with yellowish ; slight fulvous yellow streaks on costal 

 and inner areas ; the veins brown. Hind wing hyaline ; the 

 costal area fulvous yellowish ; the veins brown. 



Hah. Brazil, Santos, Alto da Serra (D. Jones), co-type f 8 in 

 Coll. Kaye. Exp. 24 milliin. 



*307 a. Pseudosphex rubripalpus. (Plate IV. fig. 20.) 

 Pseudosphex rubripalpus, Hmpsn. A. M. N. H. (7) viii. p. 170 (1901). 



8 . Head, thorax, and abdomen greenish black ; 1st and 2nd 

 joints of palpi and fore coxae brown-red ; tarsi with the basal joint 

 whitish ; abdomen with oblique lateral white streaks on 1st seg- 

 ment, which is white below, the ventral valve edged with white. 

 Fore wing black-brown ; a short hyaline streak below base of cell ; 

 the area below the cell and vein 5 shot with brilliant purple-blue 

 from before middle to termen. Hind wing black-brown with short 

 hyaline streaks below base of cell ; the terminal half shot with 

 purple-blue. 



Hah. Brazil, Santos, S. Benitos (Burchall), type f 8 in Mus. 

 Oxon. Exp. 41 millim. 



308. Sphecosoma angustata, insert : — 



Subsp. gracilis, Klages, P. U.S. Nat. Mus. xxix. p. 532 (1906). 



The Panama form with the antennae black with yellow tips is a 

 distinct subspecies, the typical form has the shaft crimson above. 



30Srt. Sphecosoma metamela. (Plate IV. fig. 21.) 



Sphecosoma metamela, Hmpsn. A. M. N. H. (7) xv. p. 426 (1905). 



8 ■ Head and thorax yellow ; antennae and vertex of head black ; 

 teguhe black at extremity; patagia edged with black; thorax with 

 dorsal black stripe ; abdomen fulvous with two tine black streaks 

 on 1st segment and the three terminal segments black. Fore wing 

 yellowish hyaline, the costal half slightly clouded with fulvous, the 

 veins blackish; fine fulvous streaks below costa and above inner 

 margin. Hind wing yellowish hyaline, the veins blackish. 



Hah. Paraguay, Sapucay {Faster), 1 8 type, Puerto Bertoni 

 (>Schro/iki/), 1 8 . Exp. 24 millim. 



*308 b. Sphecosoma rufipes. 



Sphecosoma rufipes, Kotlis. Nov. Zool. xviii. p. 25 (1911), & xx. 

 p. 471, pi. xiv. f. 8. 



8. Head and thorax yellow; antennas black above except to- 

 wards tips and with a black bar between their bases ; palpi white 



