88 INDEX. 



Page. 



Scale, San Jose, in Washington '. 32 



Wisconsin 32 



West Virginia 32-33 



Wyoming _ 32 



indirect benefits . . _ 9 



insect enemies, status - 9, 58-69 



insecticides 72-79 



introduction into United States, supposed manner 15 



issuance of adult males 47 



larva, second stage, description 52 



newly hatched, description 52 



legislation 80 



life history 43-51 



on Chinese apples, haw apples, and pears 14 



origin 10-15 



parasites - 58-62 



plants commonly or badly infested 36-38 



not infested 40-41 



occasionally or rarely infested 38-39 



predaceous insect enemies 62-69 



present status of problem !..... 8-10 



propupa of male, description 52-53 



pupa of male, description 53 



record of spread in United States 15-34 



relationships 54-55 



remedies 72-79 



reproduction 43-45, 50-51 



resemblance to Entomosporium maculatum 35 



scale covering, how formed 45 



of female, description 51 



male, description 51 



seasonal history 43-50 



sources of infestation in East 17-18 



States still supposedly uninfested 19-20 



systematic position 54-55 



viviparous habit ^ 43-45 



white peach. (See Diaspis j^eidagoita.) 



Scales, armored, subject to fungous diseases in Tropics 34, 69 



Shad-bush, {^ee Amelanchier canadensis.) 

 Smoke bush. (See JRhus cothms.) 

 Snowberry. (See Symphoricarpos racemosus.) 



Soap, whale-oil or fish-oil, remedy for San Jose scale 75-76 



Sorbaria sorbifolia {Spinva sorhifolia), food plant of San Jose scale 39 



Sorbiis americana, food plant of San Jose scale 38 



aucuparin, food plant of San Jose scale 38 



melanocarpa, food plant of San Jose scale 38 



sp. , food plant of San Jose scale 38 



Sphserostilbe coccophila, fungous enemy of San Jose scale 34, 69-71 



Spinctrina cerasi, accidental occurrence on San Jose scale 71 



Spirxa sorbifolia. (See Sorbaria sorbifolia.) 



sp., food plant of San Jose scale 39 



Spruce, white. {See Picea alba.) 



Sumac. {See Rhus sp.) 



Symphoricarpos racemosus, food plant of San Jose scale 38 



