[ 99 1 



PLATE CCCXCVL 



SIREX JUVENCUS, 



SLUE-BODIED 1AILED-WASP. 



HYMENOPTEJtA. 



GENERIC CHARACTER. 



Mandible thick, horny, truncated at the tip, and denticulated: jaw 

 Incurvated, pointed, cylindrical, and ciliated: feelers four, pofterior 

 pair longeft, and thicker towards the extremity : antennae filiform, of 

 more than twenty-four equal joints : fting exferted, ftiff, and ferrated : 

 abdomen feffile, and terminating in a point : wings lanceolate. 



SPECIFIC CHARACTER, 



AJfD 



SYNONYMS, 

 Abdomen deep blue : head and thorax greenifli black, and villous. 



Sijiex Juvencus : abdomine atro-caerulefcente, thorace villofo uni- 



colore. Linn. Faun. Suec. 1575. — Linn. Sijjl* 



. Nat. 2. 929. S.—Gmel Linn. Syji. Nat. 2672. 



Fabr. Spec, inf.' I. p. 419- n. 6. — Mant. inf, 1. 



p. 257. n. Q.—Ent. SyJl. T. Q.p. 126. Q. 



Urocerus. Schaff. icon. t. 205. f. 3, 



Sulz. MjL Inf. t. 26. /. 9. 10. 



We poffefs an Engliih fpecimen of this very fcarce and beautiful 

 infeft, Sirex Juvencus, in the cabinet of the late Mr. Drury, but 



whether 



