lo PLATE CXLVIII. 



The Caterpillars of this Infefl feed on grafs, they are found in 

 May, and the Moth appears about the middle of June. 



The female differs in feveral refpe£ls from the male ; it is of a 

 buff colour, and is generally, though not always, larger. The chry- 

 falis is black, and is enclofed in a ftrong yellowifh cafe, as lliewn in 

 the plate« 



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