JOURNAL OF ECONOMIC ENTOMOLOGY 



[Vol. 1 



3 Seasonal History, Continued. 

 30 Hibernated individnals. 



32.2 Nature of first food supply. 



32.3 Preferred food supply. 



32.5 Duration of life of hibernated 

 individuals. 



32.6 Movement of hibernated individ- 

 uals in field before beginning re- 

 production. 



32.7 Oviposition dependent upon food. 

 (See 27.37.) 



32.8 Abundance of hibernated individ- 

 uals. 



33 Progress of infestation. 



33.1 Species injury versus food pro- 

 duction. 



33.2 Effect of maximum infestation 

 upon species multiplication. 



33.3 Proportion of food supply at- 

 tacked not destroyed. 



33.4 Relation of species to crop pro- 

 duction. 



33.41 Special crop. 



33.411 Percentage of crop de- 

 stroyed. 



34 Dispersion, spread of species. 

 (See 03.) 



4 Natural Control. 



41 Meelianioal control. 



41.1 Resistance to attack of species 

 by normal special plant struc- 

 tures. 



41.11 Piloslty of stems. 



41.12 Appression of floral envelopes. 



41.2 Resistance to species attack by 

 abnormal plant growths. 



41.21 By gall formation. 



41.22 By proliferation in buds. 



41.23 By proliferation in seed pods. 



41.24 By proliferation in stem. 



41.25 By proliferation in root. 



41.26 Influence of locality on pro- 

 liferation. 



41.27 Influence of season on prolif- 

 eration. 



41.28 Influence of variety on pro- 

 liferation. 



41.29 Influence of artificial condi- 

 tions upon proliferation. 



41.291 Cultivation. 



41.292 Fertilization. 



41.4 Artificial stimulation to prolifer- 

 ation. 



41.41 In buds. 



41.42 In seed pods. 



41.5 Mortality in species due to pro- 

 liferation. 



41.51 In buds. 



41.52 In seed pods. 



4 Natural Control, Continued. 



41 Mechanical control. 



41.6 Manner in which death is caused 

 by proliferation. 



41.7 Rearing stages on prolifld cells 

 as food. 



41.8 Proliferation started from other 

 causes than species attack. (Ar- 

 range alphabetically.) 



41.9 Occurrence of proliferation in 

 other plants than special species. 

 (Arrange alphabetically by or- 

 der, etc.) 



42 Restraint npon species attack 

 by habits of grrowth of food 

 plant. 



42.1 Rapid maturing of fruit. 



43 Cannibalism. (See 26.47.) 



43.1 Among adults. 



43.2 Among larvae. 



44 By cliniatolog-ical conditions. 



(See 02.1.) 



44.1 Heat or drying. 



44.11 Mortality in picked fresh 

 fruit. 



44.111 Buds. 



44.112 Flowers. 



44.113 Seed pods. 



44.12 Mortality in dried hanging 

 fruit. 



44.121 Buds. 



44.122 Flowers. 



44.123 Seed pods. 



44.13 Mortality in fallen fruit. 



44.131 Buds. 



44.132 Flowers. 



44.133 Seed pods. 



44.14 Heat effect upon adults. 

 44.141 On hot ground. 



44.2 Cold. 



44.21 Effects of frosts. 



44.211 Upon food supply. 



44.212 Upon life of adults. 



44.213 Upon life of immature 

 stages. 



44.22 Effect of minimum winter 

 temperatures. 



44.221 Upon life of adults. 



44.222 Upon life of immature 

 stages. 



44.25 Experiments In artificial re- 

 frigeration. 



44.3 Humidity. 



44.31 Drought. 



44.32 Excessive humidity. 



44.4 Precipitation. 



44.41 Precipitation deficient. 



44.42 Precipitation excessive. 



