THE EUROPEAN CORN BORER AND ITS CONTROL. 15 



Table I. — Food Plants of the European Corn Borer in Massachusetts. 



CoMiMON Name. 



Scientific Name. 



Part of Plant attacked. 



-ed) 



Sweet corn, . 



Field corn, . 



Fodder corn, 



Barnyard grass, . 



Pigweed (redroot). 



Dock, . 



Ragweed (hogweed), 



Lamb's-quarters, . 



Dahlia, . 



Foxtail. 



Lady's-thumb (smart 



Burdock, 



Horsewoed, . 



Beggar-ticks (bur marigold) 



Purslane (pussley), 



Crab grass, . 



Scouring rush 



Panic grass, 



Timothy, 



Goldcnrod, 



Thistle, 



Apple of Peru, 



Gladiolus, 



Chrysanthemum, 



Celery, . 



Swiss chard. 



Beans, . 



Potatoes, 



Tomatoes, 



Beets, . 



Spinach, 



Oats, . 



Turnips, 



Zea mnus, .... 



Zea jnays, .... 



Zca mays, .... 



Echinochloa crus-gaUi Beauv., 



Aniaranthus retroflexuf: L., . 



Rumex crispus L. and R. obtus 



folia L. 

 Ambrosia spp., 



Chenopodium album L., 



Setaria glauca Beauv., . 

 Pcil!jgj7ium persicaria L., 

 Arctium minus L., 

 Erigeron canadensis L., 

 Bidens frondosa 1j., 

 Portulaca oleracea L., . 

 Digitaria sanguinalis Scop , 



Equisetum spp 



Panirum dichotomifloruw Michx, 

 Phleuni pratense L., 



Solidago sp. L 



Cirsiurn spp., 

 A'icandra physaloides L., 



All except root. 



All except root. 



All except root. 



All except root. 



Stalk and seed head. 



All except root. 



Stalk and seed head. 



Stalk and seed head. 



Stalk and flower stems. 



Seed heads. 



Stalk. 



Stalk. 



Stalk. 



Stalk. 



Stalk. 



Stalk. 



Stalk. 



Stalk. 



Seed head. 



Stalk. 



Stalk. 



Stalk. 



Stalk. 



Stalk. 



Outside stems. 



Stalk and midrib of 



leaves. 

 Pods, green beans and 



the vines. 

 Vines. 



Vines. 



Tops (stem and midrib 



of leaves). 

 Tops (stem and midrib 



of leaves). 

 Stalks. 



Tops (feeding on exterior 

 of leaf stems). 



