606 STATE BOARD OF AGRICULTURE. 



C. cerasi Peck. The common cherry and pear slug which is sometimes seri- 

 ously injurious to young or nursery trees throughout the State. Occurs 

 also on Amelanchier and other plants. Easily controlled by dusting 

 with dry hydrate or air-slaked lime, or spraying with the arsenites. 



ERIOCAMPA Hartig. 



E. fasciata Nort. Larva on oak (Dyar) 



E. juglandis Fitch. Greenwood Lake, on butternut (Dyar). A woolly larva, 

 sometimes common locally. 



TETRANETJRA Ashm. 



T. ignota Nort. One of the strawberry saw-flies. It is sent in occasionally, 

 but has not been, in my experience, destructive in New Jersey. 



POECILOSTOMA Dahlb. 



P. obscurata Cress. Sandy Hook in August (Sm). 

 P. coryli Dyar. On hazel, Van Cortland Park, New York City (Dyar). 

 P. inferentia Nort. South Haven, L. I., bred IV, 26, from larva on alder 

 (Dyar). 



PEOCILOSTOMIDEA Ashm. 



P. maculatus Nort. Strawberry saw-fly : Sandy Hook, VII and VIII, 

 Jamesburg, VII, 15, larva in destructive numbers, Lanibertville, VII 



(Sm). 



Sub-family IV HOPLOCAMPIN^E. 

 MELANOSELANDRIA Ashm. 

 M. zabriskiei Ashm. Delaware Water Gap, VII, 5 (Jn). 



HOPLOCAMPA Ashm. 

 H. halcyon Nort. New York (Dyar), " United States " (Cress). 



MACGILLIVRAYELLA Ashm. = MAOGILLIVRAYA preoc. 

 M. nigridorsum Ashm. Clementon, V, 10 (Jn). 



Family XOI NEMATID-ffi. 



Sub-family I CLADIIN^. 



CLADITJS 111. 



O. solitaris Dyar. Larva on wild cherry, alder, etc. Occurs near New York 

 City (Dyar). 



