THE EUROPEAN CORN BORER AND ITS CONTROL. 15 



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



Common Name. 



Scientific Name. 



Part of Plant att.acked. 



weed) 



Sweet corn, . 



Field corn, . 



Fodder corn, 



Barnyard grass, . 



Pigweed (redroot). 



Dock, . 



Ragweed (hogweed), 



Lamb's-quarters, . 



Dahlia, . 



Foxtail, 



Lady's-thumb (smart 



Burdock, 



Horsewced, . 



Beggar-ticks (bur marigold) 



Purslane (pussley) 



Crab grass, . 



Scouring rush. 



Panic grass, . 



Timothj, 



Goldenrod, . 



Thistle, 



Apple of Peru, 



Gladiolus, 



Chrysanthemum, 



Celery, . 



Sv.iss chard, . 



Beans, . 



Potatoes, 



Tomatoes, 



Beets, . 



Spinach, 



Oats. . 



Turnips, 



Zea mn7j.f 



Zea mays, .... 



Zea mays, .... 



Echinochloa crus-galli Beauv., 



Amaranthus retroflexus L., . 



Rumex crispus L. and R. ohtusi 



folia L. 

 Ambrosia spp., 



Chenopodium album L., 



Setaria glauca Beauv., . 

 Polygonum persicaria L., 

 Arctium minu.t L., 

 Erigeron canadensis 'L., 

 Bidens frondosa L., 

 Portulaca oleracea L., . 

 Digitaria sanguinalis Scop., 



Equisetum spp 



Panicum dichotomiflorum Michx, 

 Phleum pratense L., 

 Solidago sp. L., . 

 Cirsium spp., 

 Nicandra 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). 



