VIII SOME INSECTS INJURIOUS TO TRUCK CROPS. 
The life history of the hop flea-beetle — Continued. Page. 
Habits 39 
The larva 39 
The adult 40 
Seasonal history 42 
Length of life cycles 42 
Number and time of appearance of broods 43 
Multiplication 43 
Hibernation 43 
Diseases 47 
Fungous diseases 47 
Bacterial diseases 48 
Parasites and predaceous enemies 4S 
Control measures. 48 
The tarred board or sticky shield 48 
Tarred sledges _ 49 
Banding with tanglefoot '. 50 
Destruction of hibernating beetles 52 
Bordeaux mixture 53 
Bordeaux-tobacco extract 54 
Tobacco dust 54 
Impractical measures 54 
Spraying 56 
Traps 57 
Cultivation and fertilization 58 
Recommendations 58 
Biologic and economic notes on the yellow-bear caterpillar H. 0. Marsh. . 59 
Recent injury 59 
Biologic notes 60 
List of plants injured 62 
Experiments with arsenicals 63 
Notes on the cucumber beetles F. H. Chittenden . . 67 
Introductory -. 67 
The saddled cucumber beetle (Diabrotica connexa Lee.) 68 
The painted cucumber beetle (Diabrotica picticornis Horn) 6S 
The belted cucumber beetle (Diabrotica balteata Lee.) : 69 
The western twelve-spotted cucumber beetle (Diabrotica soror Lee.) 71 
The western striped cucumber beetle (Diabrotica tririttata Mann.) 75 
Biologic notes on species of Diabrotica in southern Texas H. 0. Marsh. . 76 
Introduction 76 
Observations on Diabrotica picticornis Horn 76 
Observations on Diabrotica balteata Lee 76 
Observations on Diabrotica vittata Fab 82 
Observations on Diabrotica duodceim punctata Oliv 84 
Notes on various truck-crop insects F. H. Chittenden . . 85 
On the natural enemies of the Colorado potato beetle 85 
Some insect enemies of the potato beetle S5 
Some wild bird enemies of the potato beetle 87 
Guinea fowls as destroyers of the potato beetle 88 
Notes on the potato stalk weevil $8 
Maggots affecting yams in the South 90 
Notes on the feeding habits of blister beetles 91 
Notes on bean and pea weevils . . 92 
Index 95 
