MOTHS OF THE LIMBERLOST 



stuck in pupation, and moulded in its skin. Three 

 went through tlie succession of moults and feeding 

 periods in fine shape, and the first week in September 

 transformed into shiny pupa cases, not one of which 

 was nearly as large as that of tlie caterpillar brought to 

 me by Mr. Idlewine. I fed these caterpillars on black 

 walnut leaves as they ate them in preference to hickory. 

 I am slightly troubled about this moth. On page two 

 hundred ninetv-nine of Packard's "Guide to the Studv of 



LEAVING WINTER QUARTERS 



Moths," he writes: "Citheronia RegalLs expands five to six 



inches, and its fore-wings are olive coloured, spotted with 



yellow and veined w^ith broad red lines, while the hind wings 



are orange-red, spotted with olive, green, and yellow." 



He describes two other species. Citheronia Mexicana, 



a tropical moth that has drifted as far north as Mexico. 



It is quite similar to Regalis, "having more orange and 



less red," but it is not recorded as having been found 



within a thousand miles of my localit}^ A third small 



365 



