16 
THE NATIONAL NURSERYMAN 
six weeks before the expiration of a term, of his inten¬ 
tion to withdraw. Messrs. Koster and Grootendorst are 
then authoi'ized to piddish tliis withdrawal of signature 
aecording to their best judgment. 
6. Tliis agreement takes effect on the first day of 
October, 1916. 
Declared as agreed upon and signed this sixth day of 
October nineteen hundred and sixteen. Was signed: 
J. Blaauw & Co., Boskoop. 
Bulk & Co., Boskoop. 
J. Boer Gz. “East End Nurseries,” Boskoop. 
Ebbinge & Van Groos, Boskoop. 
L. J. Endtz & Co., Boskoop. 
Felix & Dykhuis, Boskoop. 
Van Gelderen & Co., Boskoop. 
F. J. Grootendorst & Sons, Boskoop. 
Guldemond & Co., Boskoop. 
W. C. Hage & Co., Boskoop. 
Van Heiningen Brothers & Co., Boskoop. 
Hugo T. Hooftman, “Juliana Nurseries,” Boskoop. 
Fallen & Lunnemann, Boskoop. 
C. van Kleef & Co., Boskoop. 
W. van Kleef & Sons, Boskoop. 
Kluis & Koning, Boskoop. 
A. Koloos & Co., Gouda. 
H. Koolbergen, Boskoop. 
M. Koster & Sons, Boskoop. 
Koster & Co., Boskoop. 
W. Mesman & Sons, Boskoop. 
Michelsen & Co., Naarden. 
J. Mossel, Boskoop. 
Ottolander & Hooftman, Boskoop. 
H. den Ouden & Son, Boskoop. 
Jac. den Ouden, Boskoop. 
As. Ouwerkerk, Boskoop. 
K. Bosbergen & Sons, Boskoop. 
Schaum & van Tol, Boskoop. 
Schortinghuis & de Jonge, Boskoop. 
Sliedrecht & Co., Boskoop. 
Jan Spek, Boskoop. 
Jac. S. Smits & Co., Naarden. 
Van der Weyden & Co., Mr. D. G. Wiegand Bruss, prop., 
Boskoop. 
Verkade van Kleef, Waddinxveen. 
Visser Brothers, Naarden. 
K. Wezelenburg & Son, Hazerswoude. 
THE COMING CONVENTION 
It seems a bit soon to begin talking about the conven¬ 
tion in January when it does not take place until June, 
but when you come to think of it the convention only 
lasts a few hours at the most, and during those hours 
decisions are made which have a very important bearing 
on the nursery business. If the convention is to be 
really worth while the subjects that are brought before 
it should be considered by every nurseryman well in ad¬ 
vance, and every one thoroughly prepared to endorse or 
condemn any proposition that may come up. 
NEW INSECT ENEMY OF THE PEACH DISCOVERED 
Entomologists of the U. S. Department of Agriculture 
Make Find Near Washington—Believed to Have 
Been Introduced from Japan. 
An insect destructive to the peach and kindred fruits, 
believed to be new in the United States, has been dis¬ 
covered by entomologists of the U. S. Department of 
Agriculture in the District of Columbia and its environs. 
This insect, which in its adult form is a brownish moth 
and in its larval stage, a small white and pink caterpillar, 
attacks both the tender shoots and fruit, causing serious 
losses. 
Because of the habits of the worm, the usual control 
measures, such as spraying with certain arsenates, will 
probably not be effective. The smooth young shoots, 
owing to their rapid growth, are protected by the poison 
solution for only a very short time after the spray is ap¬ 
plied, and hence it is almost impossible to poison them. 
The entomologists of the Department who have been in¬ 
vestigating the pest, will continue to study it in the hope 
of developing control measures. 
What the Insect is 
The insect, known to science as Laspeyresia molesta, 
is believed to have been introduced from Japan. So far 
as the Department’s entomologists know, it has not been 
found in America other than in the District of Columbia, 
and in the adjoining territory in Maryland and Virginia. 
The specialists are desirous of knowing if the insect has 
attacked peach, plum, or cherry trees elsewhere in the 
United States. 
The presence of the insect can best be determined in 
most cases by the nature of its injury to peach trees. It 
bores into practically every tender twig and causes new 
shoots to push out from lateral buds. These are at¬ 
tacked in turn, the abnormal stimulation of lateral 
growth producing a much branched and bushy plant. 
A copious flow of gum from the twig-ends often follows 
the attacks of the caterpillars. ' 
Injury to Fruit 
In attacking fruit the young caterpillars generally eat 
through the skin at or near the point of attachment of 
the fruit stem. The larva, as it grows, makes its way 
to the pit, where it feeds on the flesh, which soon be¬ 
comes much discolored and more or less slimy. Larvae 
entering at the side of the fruit are more likely to eat out 
pockets or cavities in the flesh. 
The full-grown caterpillar spins a whitish silk cocoon 
in which to pupate. Moths emerge in the spring for 
egg laying by the time the shoots are well out. 
The Bureau of Entomology, U. S. Department of Agri¬ 
culture, especially requests owners of peach or other 
fruit trees to report the presence of this new pest in their 
