t 23 ] 



PLATE CCCCII. 



TENTHREDO SERICEA. 



SILKY SAW-FLY. 

 HYMENOPTERA. 



GENERIC CHARACTER 



Mouth with a horny mandible, curved and toothed within: jaw 

 ftraight and obtufe at the tips : lips cylindrical and three cleft : feelers 

 four unequal and filiform : wings fiat and tumid : fling compofed of 

 two ferrated laminae, and fcarcely difclofed. 



SPECIFIC CHARACTER 



AND 



SYNONYMS. 



Antennae clavated, reddiih, or black ; abdomen green, or duflty, 

 and bronzed. 



Tenthredo Sericea: antennis clavatis luteis, thorace atro : 

 abdomine aeneo. Linn. Syji. Nat. 2. 9^1. 8.— 

 Schaeff. Elem. Tab. 51. /3 Tenthredo nitens 

 antennis clavatis luteis, abdomine viridi coerule- 

 fcente nitente. Linn. Syft. Nat. 2. 922. 10. — 

 Fn. Suec. 1532. — Sulz. Inf. tab. 1,8. fig. 109. 



The two fexes of Tenthredo Sericea differ fo greatly from each 

 other, that fome authors have miftaken them for diftinct fpecies. 



Linnaeus 



