PLATE XVIII. 



TELEA POLYPHEMUS. 

 Larval stages. Bridgham del. 



Fig. 1. — Second stage, August 1, 1888. Food, oak and white birch. 1 A, head from front ; IB, tubercle, first segment; 



1C, tubercle, second segment; ID, dorsal and lateral tubercles. 

 Fig. 2. — Third stage. Food, white birch. 



Fio. 3. — Fourth stage. Food, white birch. 3A, position at rest; 3B, tubercle of second row. 

 Fig. 4. — Second stage; a different color variety. 4A. sixth segment, "showing number of spines on tubercles;" 4B, 



second segment; 4C, tubercles of first segment; ID, tubercle of eleventh segment. "The fine spines 



are transparent; central ones and those of first, second, and third segments are dark" (Bridgham). Hair 



too short on 4E (Packard). 

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