BY WHICH THE VINE IS INFESTED. ~- 27 
under which it is placed, and then to shake the branches and make the 
insects fall into it. . The substitution for the basin of a very wide tin 
funnel with a bag at the extremity, into which the insects fall, has 
been proposed; also that of linen twisted into the same form. The same 
means may be applied for the caterpillars of the butterfly or moth as 
for the Coleoptera, especially when they have arrived at a certain size. 
_ The devastation is then indeed almost completed, for the leaves are de- 
-eayed and partly devoured ; but the repetition of the evil in the follow- 
‘ing years may be precluded by thus preventing the reproduction of the 
insects. To this method may be added another, which is. particularly 
adapted to the destruction of the Pyralis of the vine, the Procris ampe- 
_lophaga of Passerini, and in general to that of all the small species of Pha- 
leenz which attack the vine: it is that of lighting fires at the commence- 
ment of the night in a direction opposite to the wind. The insects come 
in crowds to the fire and are burned. These fires must be renewed for 
ten or twelve days in succession, but not when there is much rain or 
wind; for not only the flame will not burn, but the butterflies in such 
weather remain obstinately fixed to the leaves to which they have at- 
tached themselves. The most effectual method of destroying all the 
larvee of the Lepidoptera and Coleoptera which attack the vine is to 
“remove, one by one, the coiled leaves in which these insects have de- 
posited their eggs, and to throw them into a furnace and burn them. 
This method is the most tedious and expensive, but it is also the most 
certain ; and I have seen it pursued with great patience and care in the 
state of Nassau by the cultivators on the banks of the Rhine. 
Third Section. 
Synonymy of all the species of insects which have been mentioned in 
these researches. 
We shall present in this section one of the principal summaries of 
' these investigations by giving the synonymy of all the insects of which ‘ 
we have had occasion to treat ; but to adapt it to the end in view we 
~ must proceed in an order the inverse of that which we followed in the 
preceding section ; that is, we must first give the synonymy of the in- 
sects which are most detrimental to the vine plants, and then proceed 
to those which only injure them occasionally, and conclude with those 
which the ancients have erroneously designated as the enemies of the 
vine ; carefully conforming, with regard to each of these three sorts of 
insects, to the classification most generally adopted by modern. natural-— 
ists. Finally, we shall conclude by giving a list of insects which do not 
injure the vine, but the synonymy of which has been incidentally deter- 
mined in these researches. Y 
