C 17 ] 



PLATE CCCCXLL 



FIG. LI. 

 TENTHREDO COLLARIS. 



COLLARED SAW FLY. 

 HYMONOPTERA. 



GENERIC CHARACTER. 



Mouth with a horny curved mandible, toothed within ; the jaw 

 ftraight and obtufe at the tip, the lip cylindrical and trifid : feelers four, 

 unequal and filiform : wings tumid, the lower ones lefs : fting coni- 

 pofed of two ferrated laminae and almoft fecreted : ftemmata three. 



SPECIFIC CHARACTER. 



Tenthkedo collaris. Black anterior margin of the thorax ru- 

 fous. 



TENTHREDO opaca : antennis feptemnodiis atra thorace utrinque 

 macula apicis rufa. Fabr. Ent. SyjL T. %p. 120? 



A fcarce fpecies fhewn both in its natural fize, and magnified. It 

 is found in gardens. 



d fIG 



