Noctuidae 



The caterpillar feeds upon the sour gum-tree {Nyssa sylva- 

 ti'ca). The larval stages have been described by Dyar. (See 

 Proceedings U. S. Nat. Museum, Vol. XXI, p. 9.) The insect is 

 not uncommon in Pennsylvania and has much the same range 

 as the preceding three or four species. 



Genus CERMA Hubner 



Three species of this genus are credited to our fauna. The 

 one of which we give a cut has been by some authors con- 

 founded with Poly gr animate hebraiciim. 



(i) Cerma cora Hubner. (The Cora Moth.) 



Syn. festa Guenee. 



The ground-color of this pretty little moth is 

 white shading into vinaceous gray, upon which 

 the darker markings stand forth conspicuously. ^^^' 9°-— Cerma 



. • • 1 /• -1 • cora, (t . 



It is quite rare, and so far as is known is con- 

 fined to the Atlantic Subregion of the continent. The figure 

 was drawn by the author from a specimen in the possession of 

 the Brooklyn Institute, belonging to the Neumoegen Collection. 



Genus CYATHISSA Grote 



(i) Cyathissa percara Morrison, Plate XIX, Fig. 12, $. 

 (The Darling Cyathissa.) 



This pretty little species is found in the Gulf States and has 

 been reported as ranging northward as far as Colorado. A 

 second species of the genus has during the past year been 

 described by Prof. J. B. Smith, from southern California, under 

 the name pallida. 



Genus CHYTONIX Grote 



(i) Chytonix paliiatricula Guenee, Plate XIX, Fig. 13, 6 ; 

 Fig. 14, $ , var. (The Cloaked Marvel.) 



Syn. iaspis Guenee. 



A common species in the Northern Atlantic States. It may 

 be found in June and July in Pennsylvania seated upon the bark 

 of oak-trees in the forest. It comes freely to sugar and to light. 



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