INDEX 



Page 



Introduction 3 



Major Insect Control Problems 5 



Grasshopper Control in 1939 ....i 5 



Grasshopper Control in 1940 7 



Preparation and Success of Grasshopper Campaigns 7 



Mormon Cricket Control 1939-1940 10 



Control in 1939 11 



Control in 1940 11 



Other Important Insections of 1939 and 1940 11 



Clover Insects 11 



Clover seed midge 12 



The clover root borer 12 



The clover aphid 12 



Grain Insects 12 



Granary weevil , 13 



Sawtooth grain beetle 14 



Flat grain beetle 14 



Broad-horned flour beetle 14 



Confused flour beetle 14 



Foreign grain beetle 14 



Mealworms 15 



Cadelle 15 



Meal moth 15 



Mediterranean flour moth 15 



Indian meal moth 16 



Control of Grain Insects 16 



Miscellaneous Records And Observations 17 



Say's plant bug 17 



Grass plant bugs 17 



The potato and tomato psyllid 18 



Pear psylla 18 



Lettuce root aphis 19 



Spruce gall lice 19 



Striped cucumber beetle 19 



Strawberry root worm 21 



Red turnip beetle 22 



Soft-winged flower beetle 22 



Alfalfa weevil 23 



Sugar beet webworm 23 



Alfalfa semi-looper 23 



Army worm 23 



Pale western cutworm 24 



Codling moth 24 



Termites 24 



Alpine rock crawler 25 



Earwigs 25 



