C 57 ] 



PLATE DXXXI. 



SPHEX SPIRIFEX. 



HYMENOPTERA. 



GENERIC CHARACTER. 



Mouth with an entire jaw : mandibles horny, incurved, and den- 

 ticulated : lip horny and membranaceous at the tip: feelers four: 

 antennae with ten articulations : wings in each fex incumbent and 

 flat : fling pungent and concealed within the abdomen. 



SPECIFIC CHARACTER 



» AND 



SYNONYMS, 



Black : thorax hairy, immaculate : petiole of one joint, yellow, 

 and as long as the abdomen. 



Sphex spirifex : atra thorace hirto immaculato, petiolo uniarticu- 

 lato flavo longitudine abdominis. Fabr. Ent. 

 SyjL T. 2. 204. Q4.—SchcEjf. Icon. tab. 38. Jig. L 



We poffefs an example of this curious infect in the Britifh cabi- 

 net of the late Mr. Drury. The fpecimen does not exactly feem to 

 accord with the Linnasan Sphex Spirifex, but rather with the ac- 



vol. xv, I knowledged 



