242 
THE STUDY OF INSECTS. 
seriously reduce the amount of the crop. The pupa state is 
passed within the cluster of tied leaves or within a tube 
formed by rolling up one side of a leaf, and lasts about ten 
days. The moth expands about three fifths of an inch; it is 
of a dark ashen gray, with a large, irregular, whitish band on 
the fore wing. 
Fig. 289.— Retinia co»tstockiana y larva, pupa, adult, and work. (From the Author’s 
Report for 1879.) 
The Pitch-pine Retinia, Retinia comstockiana (Re-tin'i-a 
com-stock-i-a'na).—This species (Fig. 289) illustrates well 
