52 



THE WHITE-MARKED TUSSOCK-MOTH. 



(^JJetnerocampa leucostigma Abb. & Sm.) 



This common insect attacks many of our shade and fruit trees, 

 and is everywhere abundant in Massachusetts. The winter is spent 

 in the egg stage, the eggs being found on the old cocoons from which 



d 



Fig. 2. Wliite-marked Tussock Moth, a, caterpillar ; b, female pupa ; c. male pupa ; d, 

 male moth ; e. same, wings spread ; f, female moth ; g, female moth on cocoon ; h, egg 

 mass with froth over it : i, cocoons on tree trunk ; k, same, showing females and egg masses 

 also; all slightly enlarged. 



the moth laying the eggs emerged. The eggs are in clusters and 

 covered by a white froth, which hardens to a sort of crust, conceal- 

 ing thetn. I 



These eggs and the old cocoons to which they are attached may 

 be found on the trunks and limbs of the trees, or on objects nearby. 



