REPORT OF STATE ENTOMOLOGIST. 21 5 



field took a large number which were found feeding on the gray 

 birch. 



Saniia cecropia. 



This moth has also been much more abundant than for years. 

 A large number of cocoons were sent in. 



Aiitomeris io. 



Hundreds of the males of this beautiful moth were captured 

 at night during the early summer. Many larvse of the same 

 were sent in for identification. 



Ptcromis ribesii. 



The currant saw-fly has been as abundant as usual. This pest 

 can be easily controlled by spraying with Paris green when it 

 first appears. 



Halisidota caryae. 



The hickory tiger caterpillar was very abundant during the 

 late summer and fall and large numbers were sent in for iden- 

 tification. They were found feeding on the following: 



Apple, cherry, elm, oilnut, hazel, willow, alder, birch and 

 witch hazel. 



Euvaiiessa antiopa. 



The caterpillars of this butterfly, commonly called the 

 "Mourning Cloak," have not been so abundant for years. Like 

 the red-humped apple "worm it has been on the increase. Sev- 

 eral specimens of the parasite, Ptero'malus vanessae, were ob- 

 tained from larvas taken from the field. This caterpillar feeds 

 on the elm, willow and poplar. The mature butterfly hibernates 

 through the winter. A colony hatched from the breeding cages 

 as late as September 28. 



Apatcla dacfyliiia. 



This caterpillar, commonly found on the alder, was sent in 

 from a number of localities. It was thought, by many, to be 

 the gipsy. So anxious were they regarding the pest that all 

 kinds of "crawling things" were forwarded to the department 

 for identification. The parasite Rhogas intermidius destroyed 

 a large number of the caterpillars. 



Papaipema nitela nebris. 



The corn-stalk borer was reported from several localities as 

 doing damage to the corn, especially the sweet variety. The 



