1847.] JVoxious Insects. 145 



LIST OF NOXIOUS INSECTS. 



BY A. FITCH. 



I. Infesting Gkain. 



Wheat 



At the root and lower joints of the stalks, (Hessian fly) Cecido- 

 myia destructor. 



In the centre of the stalk, Cephas jjygmccus. i ^ 



Chlorops immilionis \ ^ ' 



some American species has the same habits. 

 On or in the heads, (Clear-winged V\ heat fly) Cecidomyia tritici. 

 (Spotted-winged Wheat fly) Cecidomyia cerealis. 

 Thrips cerealittm of Europe 

 Psocus tritici (nondesciipt). 

 Gaylord's Wheat caterpillar. Trans. State Ag. Soc. 

 i843, p. 147. 

 In the ripe grain, (Grain weevil) Calandria grariaria. 



Cakmdra remotepunctata. 

 (Grain moth) Tinea granella. 

 (Angoumois moth) Jinacampsis? cerealella. 

 In flour, Pyralis farinalis, 



Silvanus surinamensis. 



Barley. 



At the upper joints, (Barley midge) Tipula cerealis. 

 In the heads, Oscinis frit of Europe. 



(Also, Cecidomyia destructor, C. tritici, Tinea granella. 



Rye. 



m(^Cccidomyia destructor, C. tritici, Chlorops pumilionis.) 



Oats. 

 {Tinea granella.) 



Indian Corn. 



Destroying the planted seed, (Wire worms). 

 Cutting off the young plants, (Cut worms) Agrotis Iclifera, 



Ji. inermis, etc. 

 Eating the young plants, Arctia virginica. 



Jirctia arge. 

 In the base of the stalk, Gortyna zece. 

 On the stalk, Cetonia inda. 

 In the shelled grain, Calandria oryzce. 

 No. 17. 10 



