INJURIOUS AND BENEFICIAL INSECTS 



17 



SHADE TREE PESTS 



29 White-marked tussock moth (Notolophus leuco- 

 s tig ma). Beautiful caterpillars having three black plumes, 

 four yellow or white tufts, a coral red head, and body marked 

 with black and yellow, defoliate horse chestnut, elm and other 

 shade trees. The winter is passed in egg masses covered with a 

 white, frothy substance, the caterpillars hatching the latter part 



0.H£I06MAN,S.C. 



Fig. 21 White marked tussock moth: a larva; b female pupa; c male pupa; d, e male moth; 

 female moth; g same ovipositing; h egg mass; i male cocoons; A; female cocoons, with moths 

 laying eggs— all slightly enlarged (after Howard, U. S. dep't agr , Yearbook 1895) 



of May and spinning up about a month later, tjlie moths appearing 

 in July. Two broods occur about New York city and but one 

 farther north as a rule. 



Treatment: remove and destroy tlie eggs or spray (he foliage 

 of the infested trees wilh ])oison. 



