The Moths and Butterflies 



417 



It grows to be 2 inches long and spins a peculiar gray cocoon which looks 

 very much like a slight swelling of the twig to which it is fastened. The 

 pupa hibernates, the moth issuing in June of the next year. 



FIG. 598. FIG. 599. 



FIG. 598. A family of young forest tent-caterpillars, Clisiocampa disstria, resting during 

 the day on the bark. (Photograph from life by Slingerland; one-third natural size.) 



FIG. 599. The forest tent-caterpillar moth, Clisiocampa disstria, in its various stages. 

 m, male moth; /, female moth; p, pupa; e, eggs in a ring about twig; g, eggs after 

 hatching; c, larva or caterpillar. (After Slingerland; moths and caterpillar natural 

 size, eggs and pupa slightly enlarged.) 



Including the largest, the most beautiful in popular eyes at least 

 and the favorite moths for rearing in "crawleries," the superfamily Saturniina 

 includes as well one of the only two insects that have been domesticated 

 by man and reared for the sake of their useful products. The honey-bee 

 and the silkworm moth are fairly to be called domesticated animals. To 

 the Saturniina belong the great cecropias, the marvelous lunas, the regal 

 and imperial walnut-moths, and the soft-tinted rosy dryocampas. Although 

 the whole group, divided commonly into four families, includes but forty- 

 two North American species, almost every one of these is more or less 



