7i PLATE CLXIV. 



Tenthredo flava, antennis clavatis triarticulatis, capite thoraceque nigris, 



alls anticis nigro maculatis. Degeer. Inf. 

 1. 2. 279. 28. tab. 39. jig. 27. 

 Merian. Eur op. tab. 144. 

 Goed. Inf. 2. tab. 3. 

 Scop. cam. 722. 

 Reaum. Inf. 5. /aZ'. 14. fg. 10. 12» 



In the larva ftatCj this fpecies feeds on the leaves of the Rofe, and 

 from that peculiarity it has received its fignificant fpecific name, 

 rofce. The larva cafts its fkin feveral times before it becomes a pupa, 

 its exuvise w^e frequently find adhering to rofe-leavcs. When the 

 larva is in its laft Ikin it is yellovi^ifh, inclining to orange, with many 

 minute black fpecks, difpofed in ringlets, on every joint j but in Ihe 

 early ftages of its growth we find them of feveral fhades of colours, 

 between green and orange, and fome partake of both colours, and are 

 fpeckled w^ith black, as in the laft fkin. The larva is very tender, 

 and, we fufpedl, is liable to fome diftemper of a very different 

 kind from any noticed to aifecl other infedls ; it then appears fickly^ 

 and is covered with a whitifh down, or powder, which flies off on 

 the flighteft touch. We have often found the larva of another fpe* 

 cies of the fame genus covered with this kind of white powder, bu^ 

 as they always died, it is impoffible to determine to what infe£l they 

 belonged. 



In the pupa (late, the outer cafe is not perfe6lly oval, but rather 

 flattened on the lides \ it is generally faftened On a ftalk. The per- 

 fed infe£t is found in great plenty during moft of the fummer months. 



Several early fyftematic writers placed this infeft amongft thofe 

 whofe antennas confifted of feven joints, or articulations : Whence 

 Linnceus * included the number of the joints with the fpecific cha- 



* In the laft edition of the Syjl. Nat, " antenjji* feptemnodiis, &c." is changed for 

 " '"Jtennis clavato filiforjnibus, &6.** 



fa6ler ; 



