i'roin wiiicii, early lu liie spring, tlie caterpillar coiutM oui. In hof 

 seasons it does not do much damage ; but in rainy ones it creates 

 severe losses. 



Roberjot, who was assassinated at the congress of Rastadt. cleared 

 the Maconnais of the Pyralis which infested the rich vineyards, by 

 burning for an hour at^night-fall, on the heights in the vicinity of the 

 vineyards, fires of straw, litter, small faggots &c. The phalena are 

 attracted from a great distance ; and thus with a few cents of ex- 

 pense miUions of these hurtful creatures are consumed. These fires 

 attract not only these, but all other night-flying insects, the larva 

 of which is hurtful to fruit and forest trees. These fires must bo so 

 stationed as to cause an eddy of the smoke and flame. From the 

 first of July to the fifteenth of August, according to the locality, is 

 the proper time for this to be done ; and when once begun they must 

 be continued for ten days together until the weather is suddenly cold? 

 or rainy, or windy, at which time the insects cannot be tempted to fly, 



12. The Tinea or MiTier IVorm. 



Js rife in southern vineyards ; the larva is very small ; and har- 

 bours and feeds between the upper and lower skin of the leaf, where 

 it eats out long galleries. When the time of metamorphosis ap- 

 proaches, it cuts two very tliin pieces of epidermis, oval and per- 

 fectly alike ; it glues them by the edges with its silk, leaving one end 

 open ; and as its body is only composed of close rings, it has recourse 

 to skill to move itself, even over smooth surfaces, to a place of secu- 

 rity. It comes out of its cocoon, and fastens down a little heap of 

 silk J to this it attaches a thread by which it draws up its house and 

 itself: this process it repeats until it has reached its destination ; 

 aud its place of retreat is discovered by the clue of silk which it 

 has left on its track. 



The Miner worm is less destructive than the moth-cateipillar ; 

 it is eaten besides by a red ichneumon spotted with yellow, which 

 pierces the body of the caterpillar and buries its eggs in it, which 

 when hatched, nourish themselves on the juices of the Tin'ea. 



J 3. The Sphim 



The larvae of the Sphinx dpenovy S. celeno, S. porcellus, devour 

 the leaves of the Vine ; but they never appear in great numbers and 

 their iniuriei? are not much felt. The caterpillar of the 6'. celeno. 



