106 WHITE FLIES INJURIOUS TO CITRUS IN FLORIDA. 
Page, 
Aleyrodes citri, methods of study 52-53 
molts 64 
multiplication 1 79 
occurrence 10 
origin 11 
opposition 72-77 
parthenogenesis 57 
proportion of sexes 77-78 
pupa case, description 61 
pupal stage, description 60-61 
duration 63 
feeding habits 65 
restrictions upon multiplication due to various causes 79 
seasonal fluctuations in the numbers oladults or "broods" 84-85 
history 81-85 
sexes, proportion 77-78 
spread in United States 43-51 
summary of life history and habits 51-52 
fioccosa, occurrence, food plants 10 
floridensis, occurrence, food plants 10 
giffardi, an orange pest 10 
occurrence, food plant 10 
howardi, an orange pest 10 
discovery in Florida 11 
occurrence, food plant 10 
marlatti, occurrence, food plant 10 
mori arizonensis, occurrence, food plant 10 
occurrence, food plant 10 
nuUfera 86-103 
adult, description and habits 98-100 
an orange pest 10 
distribution 89-90 
duration of instars 96-97 
egg 91-94 
feeding habits of larvae and pupae 97 
food plants 90 
generations 101-102 
growth 97 
habits and life history 91-101 
history 86-87 
injury, amount 87-89 
larval and pupal stages 94-98 
stages, description 94-95 
duration 96 
feeding habits 97 
locomotion 97 
life cycle, length 100-101 
history and habits 91-101 
locomotion of larval stages 97 
molts 97 
mortality of larvae and pupae 97-98 
occurrence, food plant 10 
pupa case 95 
