CONTKN IS. 



l'A(iE 



Infroduc'tory Note viii 



TIk! more Iinportanl Insoct Injuries to Iiuli;ui Corn 1 



Divisions of (he Corn Inseol. (!roui) 2 



Adui)(!i(ions :ind Heiu'tions of (lie Corn IManI to its Inseet, Visi(iui(s '.i 



(Jeneral I'jffeet of Insec( Injury 5 



Genertil Measures of Pn^vention and Heniedv • 6 



Insect Injuries to Different Parts of t lie Corn Plant '> 



Injuries to Corn by the Different Orders of insects. s 



The Corn Insects Grouped aceordinu- to their lOconomie Impoiiancc 1 I 



Discussion of Speei(\s 1<> 



lu'ononuc Group 1. (The more Important Species) Ki 



Insects Injurious (o (he I'lant above Ground 1<> 



Synopsis of Injuries I <> 



The Corn Cutworms 17 



lladrna dcrnf:talrix ('Jlu' Glassy Cutworm) . U) 



Iladcna arctica (Tfie Yellow-headed Cutworm) 21 



Agrotis ypsilon (The Greasy Cutwonn) 21 



Peridruma margaritosa saucia (The Variegated Cut worm) 23 



Noctua c-nigrum (The Spotted Cutworm) .25 



Fcltia subgolhica (The Dingy Cutworm) .20 



Feltia jaculifcrn (The Western Striped Cutworm) 26 



Fcltia glndiaria (The CUay-bacUed ('utworm) 28 



Nephelodes minians (The Hron.',e (Uit worm) 29 



lladena lignicolor 31 



Noctua clandestina (The W-marked Cutworm) 31 



Feltia anncxa (The Graruilatcd Cutworm 32 



Euxoa messoria (The; Dark-sided Cutworm) 32 



Euxoa tesscllata (Tlie (^onnnon Striped Cutworm) 34 



Euxoa ochrogastcr (The Hed-baeked Cutworm) 34 



Marncstra rcnigcra (The Bristly (^u(worm) 35 



The Sod Web-worms, or lioot W(!b-worms, (several Species of Cranibnti) . . 36 

 The liurrowing W(!b-worms {Anaphora popcanclla, Fscudrin(i])hora arca- 



nella, Hypoclopus mortipcnncUus) 44 



Papaipema nitcla (The Stalk-borer) 44 



Leucania unipuncta (The Army-worm) 47 



The Corn Bill-bugs (Sphenophorus spp.) 52 



— Blissus leucopleriis (The Chinch-bug) 57 



Grasshoppers (A cridid<e) 64 



The more Important Insects Injurious to the Seed and Itoots 69 



Kconomic Group 2. (The less Imi)ortant Species) 70 



Pcgomyia fuacicepn (The SecKl-corn Maggot) 70 



The Woolly Bears (Arctiida; spp.) 70 



Eubaphe rosa 71 



Estigmene acrea (The Salt-marsh ('aterpillar) 72 



Diacrisia virginica (The Yellow Bear) , 72 



Isia Isabella (The Hedgehog Caterpillar) . . 72 



iii 



MAR 9. 



