i Males of white marked tussock moth, Hemerocampa leuco- 

 stigma Sm. & Abb. x i 



2 Female of white marked tussock moth, Hemerocampa leuco- 



stigma Sm. & Abb. depositing eggs on the filmy cocoon x i 



3 Cocoon of Cecropia moth, Samia cecropia Linn, containing nu- 



merous puparia of a parasitic fly, Frontina frenchii Will. 



4 Pupa and larva of Xylophagus lugens Loew and larva (the 



larger one) of the allied X. ahdominalis Lw. 



190 



