88 INDEX. 
Pagre 
Scale, San Jose, in Washington 32 
Wisconsin 32 
West Virginia 32-33 
Wyoming 30 
indirect benefits . . g 
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 02-t>H 
present status of problem 8-1 
propupa of male, description 52-53 
pupa of male, description 53 
record of spread in United States 15-34 
relationships - 54-55 
remedies . . .. 72-7^ 
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 1 7-18 
States still supposedly uninf ested 1 9-20 
systematic position 54-55 
viviparous habit 43-4-" : > 
white peach. (See Diaspis pentagona.) 
Scales, armored, subject to fungous diseases in Tropics 34, 69 
Shad-bush. (See Amelanchier canadensis.) 
Smoke bush. (See Rhus cotinus.) 
Snowberry. (See Symphoricarpos racemosus.) 
Soap, whale-oil or fish-oil, remedy for San Jose scale 75-76 
Sorbaria sorbifolia (Spira a sorbifolia), food plant of San Jose scale ;>>! ' 
Sorbus americana, food plant of San Jose scale " ,N 
au&uparia, fo< >d ] >lant of San Jose scale 38 
melanocarpa, food plant of San Jose scale 
sj). , food plant of San Jose scale - - - 38 
Spha rostilbe < occophila, fungous enemy of San Jose scale 34. 69-1 1 
Spinctrina aerasi, accidental occurrence on San Jose scale 71 
Spiraea sorbifolia. (See Sorbaria sorbifolia.) 
sp., food plant of San Jose scale ;i '* 
Spruce, white. (See Picea alba.) 
Sumac. (>ce Rhus sp.) 
Symphoricarpos raa mosus, food plant of San Jose scale 
