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INJURIES TO VEGETATION. 
The mischief done by the crown-borer is too well known to require 
special description here. There is usually about one insect to a 
crown, though occasionally two or three will be found. These finally 
excavate the whole interior, leaving only the shell or epidermis. 
The growth is of course completely checked, and the plant fre- 
quently dies, and badly infested plantations are speedily ruined. 
A single year of the work of the borer is, under ordinary cireum- 
stances, enough to destroy the field. It is not unfrequently the 
case, however, that the plant attacked will defend itself by putting 
out a new crown, either from the side or the top of the old one, from 
which fresh roots strike forth, giving the strawberry a new lease of 
life. This crown, of course, will be invaded in the following season 
by the borer; but the plant, if vigorous, may even form another 
crown, and so on, for three or four years successively. Mr. Garman’s 
observations show that this process has occurred, apparently with 
little injury to the strawberry plant, where the rows have been hilled 
up, either through accident or design. Even in low places in the 
field, where the earth has washed down about them, the fresh crowns 
are strong and vigorous, and the plants apparently as healthy as if 
they had not been attacked. Some varieties of the strawberry resist 
the attacks of the borer much better than others; the Wilson being 
one of the readiest to succumb, the Captain Jack and the Crescent 
among the hardiest. 
NATURAL ENEMIES. 
Mr. Garman found two parasitic grubs in the cavity of the crown 
excavated by the borer, each lying in contact with a larva which 
was very feeble, and in fact aimost dead. These grubs were unfor- 
tunately lost in transit, and I can only surmise that they were 
sucking the juices of the borer. 
These are the only possible insect enemies of the pest which 
have yet been observed. 
METHODS OF PREVENTION AND REMEDY. 
When we come to discuss methods of prevention, we see the im- 
portance of a correct knowledge of the life history of this species. 
These are the questions of practical interest, answers to which the 
strawberry farmer requires: First, can the borer be destroyed in 
the field without sacrificing the plants? Second, when, if at all, can 
young plants be taken from an infested field, which shall themselves 
be free from the borer in any stage, and which can consequently be 
used in establishing new plantations without fear of transporting the 
insect? Third, at what season of the year should infested plants 
be plowed up and destroyed, with a view to exterminating plant and 
pest together? Fourth, can its spread from one field to another be 
in any way prevented ? 
First, can the beetle be killed in the field? There is no longer 
any question that the adult insect is abroad during the months of 
August and September, and also in early spring. As it certainly 
