PLATE CCCXCVL 



SIREX JUVENCUS. 



BLUE-BODIED TAILED-WASP- 

 HYMENQPTERA. 



GENERIC CHARACTER. 



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

 |ncurvated, pointed, cylindrical, and ciliated : feelers four, pofterior 

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

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

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



SPECIFIC CHARACTER. 



AND 



SYNONYMS, 

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



Sir ex Juvencus : abdomine atro-cgerulefcente, thorace villofo uni- 

 colore. Linn. Faun. Suec. 1575. — Linn. Syjl. 

 Nat. 2. 929- S.—Gmel. Linn. Syjl. Nat. 2672. 

 Fabr. Spec. inf. 1. p. 419- n. 6. — Want, inf. 1. 

 p. 257- n. 8.—Ent. Syjl. T. 2. p. 126. 9. 



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



Sulz. hijl. Inf. t. £6. /. 9- 10. 



We poffefs an Englilh fpecimen of this very fcarce and beautiful 

 infect, Sites Juvencus, in the cabinet of the late Mr. Drury, but 



whether 



