388 OHIO EXPERIMENT STATION: BULLETIN 332 



PLATE XXIX 



THE BLACK WALNUT DATANA 



(Datana integerrima) 



Fig. 1. — ^Adult female moth. Enlarged 1% diameters. 



Fig. 2. — Pupa slightly enlarged. 



Fig. 3. — Egg mass, about natural size. 



Photograph, J. L. King. 



Fig. 4. — Cluster of molting caterpillars on the trunk of a walnut tree. 



Fig. 5. — Cluster of feeding caterpillars, much smaller than natural size. 



