CONTENTS. 
1 , 
PAGE 
List of Descriptions.;. 7 
Letter of Transmittal. 9 
The Wheat Bulb-Worm. 13 
Introductory. 13 
Literature. 14 
Nomenclature. 16 
Description. 17 
Life History. 19 
Recapitulation of Life History. 21 
Injuries to Wheat. 22 
Natural Enemies. 24 
Artificial Remedies... 27 
Summary. 28 
The Wheat-Straw Worm. 30 
Literature. 31 
Description. 34 
Life History. 35 
Injuries to Grain. 36 
Remedial Measures.37 
Notes on Insects Affecting Sorghum and Broom-Corn. 39 
Literature. 40 
Recent Observations. 41 
Plant-Lice. 41 
Chaitophorus flavus, n. s. 42 
Description.. 42 
Life History. 44 
Injuries. 44 
Natural Enemies. 45 
Aphis maidis ... 46 
Description. 46 
Life History. 47 
Calendar. 48 
Injuries to Broom-Corn and Sorghum. 49 
Natural Enemies. 49 
Remedies. 50 
Sipiionophora, sp. 50 
Schizoneura panicola . 51 
Description. 51 
Life History. 52 
Summary. 53 
The Corn Root-Worm. 55 
The Black-Headed Grass Maggot. 1 . 57 
Classification and Description. 58 
