168 



BKAXCH ARTHROPODA 



The tussock moths (Lymanlri'idae) (Fig. 138) are of medium size, the 

 antennae of the males being more broadly pectinated than those of the 

 females. Ocelli are lacking. In some species the females are wingless. 

 The legs are woolly or hairy. The larva; are more beautiful than the adults. 

 They have several bright colored tufts of hair on the back and long pencils 



Fig. 138.--Or(yi!/in Icucostlg'ma: a, Larva; fc, female pupa; c, male pupa; 

 d, c, male moth; /, female moth; g, same ovipositing; h, egg-mass; i, male 

 cocoons; k, female cocoons with moths carrying eggs. AH slightly en- 

 larged. (Howard, Farmers' Bull., U. S. Dcpi, of Agriculture, 1899.) 



of hair on each end of the body. The sixth and se\-enth segment each 

 hears on the ]rM-k a coral-red sc(>nt gland. It is easy to guess whether these 

 caterpillars arc a favorit c food of birds. They infest our shade and orchard 

 trees. The eggs are usually deiiosit.cd upon the cocoon from which the advdt 

 female has just emerged, so they may be destroyed by collecting and burn- 

 ing the cocoons in winter. 



