MONTANA EXPERIMENT STATION. 



173 



Stock. One would not be warranted in rejecting the shipment or 

 burning it. The egg clusters are easily removed, or if they escape 

 detection and hatch in the trees after they are set out, the nests 

 are conspicuous and easily destroyed. There is little excuse for 

 allowing this insect to continue in an orchard year after year. The 

 nests may be removed caterpillars and all without injury to the 

 trees. Wild cherry trees in the vicinity of the orchard should be 

 kept free from the nests so as to prevent infection of the fruit trees. 

 The caterpillars hatch from the eggs early in the spring and con- 

 gregate in a forked limb or branch and spin a nest or "tent". This 

 is their home from which they migrate for the purpose of feeding. 



Fig. 20. Egg masses of Clisiocampia americana. (Lowe, Bulletin 152, N. Y. 

 Agr. Exp. Sta.) 



THE BUD MOTH. i. 



The bud moth is a small, brownish, hairless, black headed cater- 

 pillar about 34 of an inch long which feed in the buds of apple and 

 pear in the spring of the year, and after the buds have expanded, 



I. Tnutoccra occllana. 



» ^ rf- 



