438 Franz Friedr. Kohl. [240 1 



and third segments yellow-ferruginous; petiole slender, as long as posterior coxae and 

 trochanters, black. Length -5 inch. 



One specimen found on Sumach flowers in August. Closely resembles Amrno- 

 phila cementaria Smith, in general appearance, but more robust.« 



Nearktische Region: Texas. 



i3i. Sphex afer Lep. 



Sphex afra Lep., Hist. nat. Ins. Hym., III, 35o, 5 1845 



Caput nigrum, albido- villosum, antice argenteo pubescens, clvpeo rufo-fusco 

 piloso. Thorax niger, griseo pilosus; metathoracis dorso convexo. Abdomen sub- 

 nudum, petiolo nigro; segmentis primo, secundo tertioque ferrugineis; quarto quintoque 

 nigris, margine postico tenuiore subferrugineo. Anus niger, apice ferrugineo, nigro- 

 pilosus. Pedes nigri, pilis spinisque nigris. Alae nigrae, violaceo micantes; nervuris, 

 puncto marginali, costa squammaque nigris. Femelle. Long. 14 lignes. Var. Primi 

 segmenti basi, cum petiolo, nigra; quarti dorso partim ferrugineo. Statura paulo minor. 

 — Oran.« 



i32. Sphex amator Smith. 



Sphex amator Smith, Cat. Hym. Brit. Mus., P. IV, 246, o" 1 856 



»Male. Length 10 lines. Black: the face and thorax above densely clothed with 



short golden pubescence; the mandibles ferruginous in the middle; the wings hyaline, 



the nervures fusco-ferruginous, the apical margins of the superior wings slightly clouded; 



the legs have a fine pale silky pile, which is very dense on the posterior tibiae within; 



the abdomen has also a fine thin changeable silky pile; beneath, the two apical segments 



are densely covered with short golden pubescence. 

 Hab. Australia.« 



1 33. Sphex antennatus Smith. 



Sphex antennata Smith, Cat. Hym. Brit. Mus., P. IV, 252, d" i856 



»Male. Length 8 lines. Black; the face has a silvery pubescence and a mixture of 



long black hairs; the mandibles ferruginous towards their apex. The thorax has a 



scattered yellow pubescence; the mesothorax and scutellum evenly punctured, the 



former with a central abbreviated Channel in front and a sligth Scratch over each tegula; 



the wings fuscous, the nervures black; the petiole short, the abdomen oblong-ovate. 

 Hab. New Hebriden (Aneiteum). 

 The specimen described is not in good condition, being evidentlv denuded of 



pubescence; bout it may be distinguished by the form of its antennae, which are very 



slender at the base and gradually thickened towards the apex.« 



134. Sphex argentatus Fabr. 



Sphex argentata Fabr., Mant. Ins., I, 274 1787 



»Sphex atra nitida, fronte villosa argentea, aus albis apice fuscis. Habitat in Coro- 



mandel. Dom. Vahl. 



Magna. Antennae nigrae. Caput nigrum villoso argenteum, nitidum. Thorax 



ater, subvillosus. Abdomen atrum nitidum. Alae albae apice fuscae. Pedes atri apice 



parum rufescentes.« 



