[24?! DieHymenoptercngruppederSphecinen.il. 44 1 



143. Sphex cognatus Smith. 



Sphex cognata Smith, Cat. Hym. Brit. Mus., P. IV, 248, 9 i856 



»Female. Length 10 lines. Black: the face densely covered with a rieh golden 

 pubescence; the anterior margin of the clypeus produced, subangular, notehed in the 

 middle, the lateral angles of the noteh produced, forming obtuse teeth. The pro- and 

 mesothorax thinly covered with short golden pubescence; the scutellum naked, the 

 post-scutellum and metathorax covered with silvery- white pubescence; the legs have a 

 fine silky cinereous pile; the posterior tibiae at their apex within have a short reddish- 

 brown pubescence. Abdomen: the petiole short, scarcely as long as the first Segment, 

 at the base covered with a fine changeable silky pile. Hab. Australia. 



This species closely ressembles Sphex opulenta, but is distinguished at once by the 

 noteh in the margin of the clypeus.« 



144. Sphex Crucis Fabr. 



Pepsis Crucis Fabr., Syst. Piez. 209 1804 



»P. nigra, fronte thoracisque limbo auro villosis, abdomine rufo: petiolo nigro.« 

 »Habitat in Americae meridionalis Insulis Dom. Smidt Mus. Dom. Lund.« 

 »Affinis certe P. Thomae at duplo major. Antennae totae nigrae. Caput nigrum: 



fronte tomento aureo tecto. Thorax niger: margine antico, laterali scutelloque aureo 



villosis, sub scutello cinereo villosus. Abdomen petiolatum, ovatum, rufum: petiolo 



nigro. Pedes nigri tibiis valde spinosis.« 



Scheint fast sicher das Weibchen von Sphex Thomae F. zu sein. 



145. Sphex decorata Smith. 



Sphex decorata Smith, Jottings, Cruise of Curacoa by Brenchley, 461, 



Taf. XLIV, Fig. 4 '. i8 7 3 



»Length 12 lines. Black, the base and apex of the abdomen ferruginous. Head: 

 the scape and two or three of the basal joints of the flagellum ferruginous; the clypeus 

 and mandibles ferruginous, the latter black at their tips; the face and cheeks with golden 

 pubescence. Thorax covered with a fine shorth changeable golden pubescence, most 

 dense on the metathorax; the tegulae, nervures of the wings, and the legs ferruginous, 

 the claws tipped with black; the wings fulvo-hyaline. Abdomen ferruginous, with the 

 second segment black above, and with two large black maculae beneath. Hab. North- 

 West Coast of Australia. — In Coli. Brit. Museum.« 



(Ob nicht eine Abänderung des Sphex aurulentus? Anmerk. d. Aut.) 



146. Sphex difficilis Spinola. 



Sphex difficilis Spin., Mem. d. r. Accad. d. scienze diTorino, ser. 2, XIII, 54, o i853 

 »Sphex nigra, facie aurea, alis nigro-violaceis, superiorum nervo primo recur- 



rente interstitiali. 



Long. 24 mm. — Lat. prope originem alarum, 5 mm. 



Tota nigra, antennis pedibusque concoloribus, posterioris capitis paginae pilis, 



erectis albidis, anterioris derasis velutinis aureis. Mesothoracis dorsum opacum, scutello 



postscutelloque laevigatis medio excavatis singulatim bigibbosis. Metathoracis dorsum 



