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appear late in May and early in June; a spray of kerosene emulsion or 

 fish oil soap, made while the unprotected young are moving in the bark, 

 is the simplest method of control. 



The White Marked Tussock Moth. Hemerocampa leucostigma Sm. and .Abb. — 1, Female and egg-mass 

 on cocoon; 2, larva; 3, adult male; 5, female pupa; 4, parasitised cocoon. 1. 3, 4 and 5 

 from Schoene; 2, from Riley. 



The White-marked Tussock Moth, Hemerocampa leucostigma, is 

 an important enem>' of deciduous shade trees, particularly about cities 

 and towns. 



The caterpillar is beautifully marked, with a coral red head, a yellow 

 band along each side, and a row of four conspicuous brush-like tufts of 

 white or yellow hairs along the back. They hatch from the eggs late in 

 May or early in June and at once begin feeding upon the leaves. The 

 caterpillars frequently drop to the ground, especially from defoliated 

 branches, and seek other trees. Towards the latter part of July the cater- 



