April, '08] 



JOURNAL OF ECONOMIC ENTOMOLOGY 



97 



2 Life History, Continued. 



27 Reproduction. 



27.359 Number of eggs deposited. 



27.36 Selection of uninfested places 

 for oviposition. 



27.37 Dependence of oviposition 

 upon food supply. (See 32.7.) 



27.4 Effects of oviposition. 



27.41 In various portion of plant 

 species. 

 27.411 (List as under 26.11.) 



27.5 Period of oviposition. 



27.51 In hibernated individuals. 



27.52 In first generation individ- 

 uals. 



27.53 In individuals of other gen- 

 erations. 



27.54 First oviposition in season. 



27.55 Last oviposition in season. 



27.6 Rate of oviposition. 



27.61 Daily rate in laboratory. 



27.62 Daily rate in field. 



28 Protection. 



28.1 Egg. 



28.11 When deposited internally. 



28.12 When deposited externally. 



28.13 By Isolation. 



28.14 By external structure. 



28.15 By protective excretions. 



28.2 Larva. 



28.21 By place of development. 



28.22 By external structure. 



28.23 By protective devices. 



28.231 By repellent odors. 



28.232 By protective construc- 

 tions. 



28.233 By protective excretions. 



28.24 By habits. 



28.241 Concealment. 



28.242 Feigning death. 



28.243 Feeding internally. 



28.25 By fighting ability. 



28.26 By locomotion. 



28.261 By flight. 



28.262 By running. 



28.263 By swimming. 

 28.29 By coloration. 



28.291 Mimicry. 



28.292 Warning coloration 



28.3 Pupa. 



28.31 By place of pupation. 



28.32 By molted skins. 



28.33 By protective constructions 

 . 28.331 Cocoons. 



28.332 Earthen cells. 



28.333 Leaf rolling. 

 28.;j34 Gall formation. 



28.39 By coloration. 



28.4 Adult. 



28.41 By place of transformation. 

 2 



2 Life History, Continued. 



28 Protection. 



28.42 By external structure. 



28.43 By protective devices. 



28.431 Repellent odors. 



28.432 Protective constructions. 



28.433 Protective excretions. 



28.44 By habits. 



28.441 Concealment. 



28.442 Feigning death. 



28.443 Feeding internally. 

 28.49 By coloration. 



28.491 Mimicry. 



28.492 Warning coloration. 



29 Multiplication. 



29.1 Annual progeny of one pair. 

 (Theoretical.) 



29.2 Number of individuals per acre 

 based upon field counts. 



29.3 Relation of multiplication to 

 food supply. 



29.4 Restrictions upon multiplication. 

 (See 4 and 5.) 



3 Seasonal History. 



31 Hibernation. 



31.1 Entrance into hibernation. 



31.11 Time of entrance. 



31.12 Temperatures affecting en- 

 trance. (See 25.2.) 



31.13 Gradual entrance. 



31.14 Stages entering hibernation. 



31.15 Congregation of individuals 

 preceding entrance into hiber- 

 nation. 



31.16 Mortality occurring at time 

 of entrance into hibernation. 



31.17 Activity during hibernation 

 period. 



31.2 Shelter during hibernation. 



31.21 Apparently favorable condi- 

 tions. 



31.22 Apparently unfavorable con- 

 ditions. 



31.3 Mortality during hibernation. 



31.4 Emergence from hibernation. 



31.41 Time of emergence. 



31.42 Climatic conditions affecting 

 emergence. 



31.43 Re-hibernation. 



31.44 Number and percentages sur- 

 viving hibernation. 



31.5 Duration of hibernation. 



31.51 Localities of observations ar- 

 ranged alphabetically by 

 state and town. 



32 Hibernated individuals. 



32.1 Finding food supply in spring. 

 32.11 Distance hibernated Individ- 

 uals will go to food. 



