PAGE 



(JraHshopp(!rs (Acridida;) 212 



JHchromorpka viridis ('l'}ic Short -win;;i-(l fJrccn (iraHHhoppr;r) 212 



lioopedon nubiium 212 



I HsHo.Hteira lomfipenniH 213 



Campylacanlhu olivacea 213 



The Cricket Family {Gryllidai) 213 



(IrylluH pennnylvanicuH (The PenriHylvania Field-cricUet) 214 



NcmohiuH JdHciatvH (The Striped Cricket) 214 



Tree-crickets — or White Crickets or (Jlirnhirif^ Crick(!tH — (CEcanthimi;) 215 



Synoptical Kev to liiinois Species 217 



Not(!S on the Food of tiif; White, Crickets 210 



(KcanlhuH amjudipcnni.H , 220 



(Kcanthu-s (juadripunctalu.f 220 



(Ecanlhus nujricorniH 221 



(KcanlhuH jdni 222 



Thousand-lcKged Wonns (Myriapoda) 222 



Julus aerukocincluK 223 



Parajulus vcnuslus • 223 



Parajuhis diner. si frons - 223 



Th(! Pi(;d Spiders {Tclranychus) 223 



Trlranyrhus bimarulatus 224 



T(dranyr,huH modestus 224 



Key to the Discussion of Insect Injuries to Corn 225 



General Grouping of Injuries to Com '. 225 



A. Injuries to the Leaves 226 



!'). injuries to the Stalk above Ground 226 



C. Injuries to tiie Silks or to Kc^rnels at the Tip of ihe Ear or Ix-nr-alli 



tli(! Husks 220 



I). Injuries to thf; Tassel 227 



K. Injuric'S affect ing the whole Plant 227 



F. Injuries to the Underground Parts of the Plant: tlie Hoots, the I'hiiitcd 



Seed, or the Stalk near the Hoots 227 



The Leaf-eating Orthoptera of the Corn Field 229 



Snout-beetles Injurious to Com 229 



Sod Welj-worrns Injurious to Com 230 



Insects eating Irrc^gular Holes in thr; Leaves or notching the Edges 230 



The Corn Cutworms 231 



The Stalk-bor(!rs of Corn 2.'12 



Insects injuring the Cofn Plant obscurely without Visible! Oest ruction of 



any Part of it.'^ 2.'W 



A List of Corn Insects with Preferences to Economic Articles: 



General Articles ; 234 



List cf Species 234 



1 1 ymc/noptera , , . 234 



IHplcra ,^ 235 



Lep-idopUira , 236 



Coleoplera 249 



Ilemiptera 261 



Orthoptird 208 



Myriapoda 272 



A carina 273 



