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PLATE CCXXV. 



SIREX SPECTRUM. 

 Black-bodied Tailed-Wasp.- 



Hymenoptera. 



Wings four, membranaceous in general. Tail of the females 

 armed with a fling. 



GENERIC CHARACTER. 



Mouth with a thick, horny, truncate, fliort, denticulate mandible : 

 feelers four, the hind ones longer and thicker upwards : antennae, 

 filiform, of more than twenty-four equal articulations : fling ex- 

 ferted, ferrated, and ftiff: abdomen feflile, terminated in a point: 

 wings lanceolate, incumbent, the lower-ones fliorter. 



SPECIFIC CHARACTER 



AND 



SYNONYMS. 



Abdomen black : thorax rather hairy, a yellow flripe on each fide 

 before the bafe of the wing. 



Sirex Spectrum : abdomine atro, thorace villofo, litura ante alas 

 lutea. Fab. Syji. Ent. 3. 26.— Spec. Inf. 1. p. 419. 

 109. 6. 



Sirex fpeftrum. Lin. SyJl. Nat. 2. 929. S.— Fn. Sv. 1574.— Degeer. 

 Inf. 1. tab. 36. fig. 6,—Schaf. Icon. tab. 4. fig. 9. 10. 



This 



