LEPIDOPTERA 



79 



about a month, when they crawl to secluded places and spin 

 yellow cocoons from which the moths emerge two weeks 

 later and deposit four or five hundred eggs for the follow- 

 ing season. The Baltimore oriole is their greatest enemy. 

 The fallwebworm (Hyphantria textor)is the larva spinning 

 dense webs in the 

 trees from July to 

 September. It 

 passes the winter as 

 a pupa in its hairy 

 cocoon attached to 

 a limb or a leaf. 

 The white moth 

 comes forth the 

 following summer. 

 If these pests are 

 numerous one year 

 they are quite sure 

 to be scarce the 

 next, as the ichneu- 

 mon flies prey on 

 them extensively; 

 otherwise they 



WOUld ruin tne Fm 77 ._ Tnree tents of tne tent caterpillar in a 

 autumn foliage Of tree which it has entirely stripped of leaves. 



. the trees. 



Tussock moths of several kinds consume the leaves of 

 the shade trees, but the " white-spotted " one (Notolophus 

 leucostigma) is the commonest. The hairy tufted red- 

 headed larvaB are found on the trees in June and July, and 

 also in September and October. There are two generations, 



