The time to spray for San Jose scale is in the 
spring, just as the buds are swelling, but before 
foliage is started. Use lime-sulphur or a mis- 
cible oil (magnified) 
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Blister mites are microscopic creatures that cause reddish 
raised places in the leaves of apple and pear. They winter in 
crevices around the twigs. Spray, before growth starts, the same 
as for San Jose scale 
The bud moth webs together tender foliage 
and destroys it. Prevention is called for in 
the shape of a poison spray when the buds first 
show green 
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The eggs of the white marked tussock 
moth are laid in a brittle froth. The 
remedy for the caterpillars is the same 
as that for the rusty tussock moth 
Some common case-bearers are now 
half-grown larvae, attached to twigs. 
Spray with a poison, to be applied as 
soon as the trees are well in_leaf 
War on the Bugs of Spring 
Pictured by 
Tree crickets make these rows'of egg punctures. Cut off the cane 
or twig just below the row, and burn it 
Eggs of the rusty tussock moth 
should be removed whenever found. 
Early spraying with a poison will 
catch the young caterpillars 
The common apple worm winters 
over in a silk shelter under loose 
bark. Now is the time to scrape off 
old bark scales 
The old-fashioned jack-knife is as 
good a remedy as any for the Hat- 
headed borers. Dig them out before 
the tree has started grow th 
Early spring is a good time to dig out 
the round-headed borer. Use a soft 
copper wire to probe the burrow, and a 
sharp knife to make the necessary cuts 
W f~^ State Entomologist, 
. Vo. V7 rVcUlC, New Hampshire 
For oyster shell scale prepare 10% kerosene emulsion, watch for the hatching of 
the scales and then spray, repeating the dose in a week or so. Regular spraying 
each winter with lime-sulphur or one of the miscible oils will hold this scale in 
check in the course of two or three seasons 
Tree tanglefoot is useful in early 
spring to stop some caterpillars from 
crawling up trees and to put a barrier 
to other bugs that have no wings 
On apple trees, plant lice hatch with 
the coming of warm weather. Get 
them early with kerosene emulsion 
or some tobacco extract preparation 
FIGHT THE BATTLE NOW AND WIN IMMUNITY FROM'LOSS IN SUMMER. (See opposite page for spraying mixtures) 
91 
