Insect Enemies oe Greenhouse and Ornamental Plants 11 



hyaline wings, orange-colored bodies and remarkably long legs and 

 antenna?. Considering the damage which this pest is capable of 

 doing and the lack of really efficient remedies, together with the 

 fact that even partly injured boxwoods are no longer ornamental, 

 it appears that the prompt destruction of infested plants before the 



Fig. 18. Poplar leaf showing beetle and larval feeding 

 Fig. 19. Egg mass 

 Fig. 20. Full-grown larva 



Fig. 21. The imported poplar and willow beetle, Plagiod'era vcrsicolora 

 Laich. 



adults emerge in the spring is the best plan to pursue at present. 



An Imported Willow Beetle 

 Plagiodera versicolora Laich. (Fig. 18, 19, 20, 21) 



For the past several years this small, "metallic blue Chrysomelid 

 has been noted injuring poplars and willows at several localities in 

 northern New Jersey and it is known to occur definitely at Irving- 



ISFrom Weiss, H. B., and Dickerson, E. L., ig\y. Plagiodera vcrsicolora 

 Laich., an Imported Poplar and Willow Pest. In Canad. Ent. v. 49, p. 104. 



