86 INDEX. 
Page. 
Ribes oxyacanthoides, food plant of San Jose scale 37 
rubruvi, f< iod plant 1 >f San Jose scale 37 
Robin ia sp. , food plant of San Jose scale 39 
Rosa Carolina, food plant of San Jose scale 37 
lucida, fo< >d plant of San Jose scale 37 
rugosa, food plant of San Jose scale 38, 42 
sp. , food plant of San Jose scale 37 
virginiana, food plant o^ San Jose scale. 38 
Rose, Japanese. (See Kerria japonica. ) 
Rubus canadensis. (See Rubus villoms.) 
nigrobaccus I R. cillosus), food plant of San Jose scale 39 
strigosus, food plant of San Jose scale 39 
villosus (B. canadensis), food plant of San Jose scale 39 
Salix babylon ica, food plant of San Jose scale 38 
h urn His, food plant of San Jose scale 38 
incana, food plant of San Jose scale 38 
Ivpida, food plant of San Jose scale 38 
pentandra, food plant of San Jose scale 38 
sp. , food plant of San Jose scale 38 
vitellina, food plant of San Jose scale 38 
Sambucus sp., food plant of San Jose scale 39 
San Jose scale. (See Scale, San Jose.) 
Sassafras. (See Sassafras officinale.) 
officinale, food plant of San Jose scale 39 
Scale, Chinese. (See Scale, San Jose, and Aspidiotus perniciosus. ) 
insects, various methods of reproduction 43-44 
oyster-shell. (See also Lepidosaphes ulmi. ) 
probably parasitized by Anaphes gracilis 60 
pernicious. [See Scale, San Jose, and Aspidiotus perniciosus.) 
San Jose. (See also Aspidiotus perniciosus.) 
activity of young larva 43, 45, 51, 57 
adult female, description 54 
male, description 53 
and citrus fruits 42-43 
climate as affecting spread 33-34 
color protection 57 
control 72-79 
damage, nature 34-36 
descriptions of scale and insect 51 -54 
destructi veness 7 
distribution and present condition, by States and Territo- 
ries is-:;:; 
by faunal zones 33-34 
means ., 56-^58 
egg, description 51-52 
explorations in eastern Asia to determine origin 1 1-15 
fecundity 48-51 
female, third stage, description 53 
first establishment m the United stales 10 
food plants 36-43 
fungous and other diseases ; !4. ti<)-71 
generations 48-50 
habits and life history 34-55 
hibernation 43. 50 
