MOTHS OF THE LIMBERLOST 



stuck in pupation, and moulded in its skin. Three 

 went through the 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 the 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 ninety-nine of Packard's "Guide to the Study of 



LEAVING WINTER QUABTEKS 



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

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

 yellow and veined with broad red lines, while the hind wings 

 are orange-red, spotted with ohve, 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 locaUty. A third small 



365 



